“…Romance languages have also been in contact with many languages across the globe, providing abundant opportunities to study bilingualism and the outcomes of language contact. Studies of bilingual children who speak at least one Romance language abound in the fields of bilingual and child heritage language acquisition, and have informed our understanding of how factors such as input, language dominance, and cross-linguistic influence shape the development of grammar during childhood (e.g., Castilla-Earls et al 2020, Cuza 2016, Cuza & Pérez-Tattam 2016, Fernández Fuertes & Liceras 2018, Montrul & Potowski 2007, Pérez-Leroux et al 2018, Pirvulescu et al 2014, Sánchez 2019, Serratrice 2018, Shin et al 2019, among many others). Research on Spanish in Latin America continues to generate new knowledge regarding the ways in which language contact results in innovative grammatical constructions and innovations in language use patterns (e.g., Escobar 2018, Mayer & Sánchez 2017, Vallejos 2019.…”