Hurricane María wiped out the infrastructures that helped sustain modern life in Puerto Rico. As communities, organizations, and the government responded to the disaster, the politics of infrastructure took on a central and urgent role in debates about colonialism, debt, life, and death. This paper describes everyday life in the days and weeks that followed María, focusing on the strategies people used to obtain essential services such as power and water. People mobilized family and community networks, along with material objects including buckets and gas tanks, into improvised infrastructures that compensated, however inadequately, for what was destroyed. This article considers how state and corporate forms of governance shape day to day survival through people's entanglements with these emergency infrastructures. It argues that the experience of obtaining food, water, power, and other necessities in the aftermath of María revealed, in an embodied way, the racialization of Puerto Ricans as colonial subjects.

Tracking Creatures of the Anthropocene In and Out of Human Projects by Rosa E. FicekThis article considers the long-lasting ecological and social impacts of cattle introduced to the New World by Spanish colonists. First, it shows how cattle aided European expansions by occupying spaces inhospitable to colonization and destroying indigenous landscapes. It then turns to the role of cattle in modern projects of state-making and economic development centered on industrialization. Finally, it moves into eastern Panama in the 1970s and 1980s, where cattle legitimized settler land claims by converting forests into private property. Throughout, it highlights the unintended impacts of this cattle introduction in order to argue that cattle move in and out of capitalist and colonialist projects in ways that are never fully under human control.

This article discusses the planning and construction of the Pan-American Highway by focusing on interactions among engineers, government officials, manufacturers, auto enthusiasts, and road promoters from the United States and Latin America. It considers how the Pan-American Highway was made by projects to extend U.S. influence in Latin America but also by Latin American nationalist and regionalist projects that put forward alternative ideas about social and cultural difference—and cooperation—across the Americas. The transnational negotiations that shaped the Pan-American Highway show how roads, as they bring people and places into contact with each other, mobilize diverse actors and projects that can transform the geography and meaning of these technologies.

For historians of transport and mobility, a book about Southern California in the twentieth century might bring to mind the region's congested highways or vibrant automobile cultures. While Genevieve Carpio's book certainly addresses such themes, its focus on race brings new analytical possibilities to the field. Collisions at the Crossroads takes readers to traffic checkpoints, bicycle races, neighborhood boundaries, and other sites where the state exerts control over mobility to demonstrate how restrictions on movement reinforce racial hierarchies. In Southern California, these racial hierarchies involve Latino, Asian, African American, and Anglo American groups. Restrictions on the mobility of non-White people in this context, Carpio argues, are central to processes of racialization because they allow White settlers to construct historical narratives about local belonging that delegitimize the place-based claims of other groups.The "crossroads" in the title of the book refers to inland Southern California, a region where rail, auto, and air transportation routes intersect, and where numerous migrant and immigrant groups have relocated in response to the labor demands of local farms. The book, which covers a time period from the 1870s to the 1990s, examines the regional and international mobilities that make inland Southern California a global crossroads. Importantly, the book extends this analysis of migration beyond large-scale economic processes and national policy to consider the local politics of mobility that emerge when these groups take up residence in suburban and rural locations, revealing how different groups experience racialization as a result of these local politics. Racialization, an analytical concept from critical race and ethnic studies, refers to the structural processes that define racial categories and give them meaning. Carpio explores how migrations as well as everyday mobilities generate meaning about race and belonging through an interdisciplinary framework that weaves together insights from mobility studies, critical race and ethnic studies, migration studies, and geography.One of the book's major strengths is its close attention to how differently mobile groups construct and negotiate "race" in relation to each other and how these categories can change over time to accommodate the shifting demands of capitalist industries in the region. The first chapter sets the stage by describing how Anglo Americans who migrated to inland Southern California from the eastern United States in the late nineteenth century legitimized their occupation through the erasure of Indigenous people, the dispossession of ethnic Mexicans, and the criminalization of Chinese farming and daily travel. The second

Decentering the State in Automobility RegimesKurt Beck, Gabriel Klaeger, and Michael Stasik, eds., The Making of an African Road (Leiden: Brill, 2017), 278 pp., 34 illustrations, $78 (paperback) Understanding Globalization from Below in ChinaGordon Mathews, with Linessa Dan Lin and Yang Yang, The World in Guangzhou: Africans and Other Foreigners in South China’s Global Marketplace (Chicago: University of Chicago Press, 2017), 256 pp., $27.50 (paperback) Rethinking Mobility and Innovation: African PerspectivesClapperton Chakanetsa Mavhunga, ed., What Do Science, Technology, and Innovation Mean from Africa? (Cambridge, MA: MIT Press, 2017), 256 pp., 25 black-and-white illustrations, $36 (paperback) When Is a Crisis Not a Crisis? The Illegalization of Mobility in EuropeNicholas De Genova, ed., The Borders of “Europe”: Autonomy of Migration, Tactics of Bordering (Durham, NC: Duke University Press, 2017), 376 pp., $27.95 (paperback) City, Mobility, and Insecurity: A Mobile Ethnography of BeirutKristin V. Monroe, The Insecure City: Space, Power, and Mobility in Beirut (New Brunswick, NJ: Rutgers University Press, 2016), 204 pp., 7 photographs, $27.95 (paperback)