“…Research in the UBRV indicates diverse economic activities occurred including market exchange, reciprocity, gift-giving, and taxation/tribute, as well as household and specialized production activities. Evidence for marketplace exchange in the UBRV is strong and marketplaces were identified at Xunantunich (Cap 2019;Keller 2006) and Buenavista (Cap 2015a(Cap , 2015b(Cap , 2020 through architectural evidence, microartifact analysis, and soil chemistry. These marketplaces were centers for the exchange of chert and limestone bifaces, obsidian blades, shell, and cloth (Cap 2015a(Cap , 2015b(Cap , 2019Cap et al 2015;Heindel 2010;Heindel et al 2012;Keller 2006).…”