What are three cultural touchstones that Jerkins discusses in Part I of the nonfiction book, Wandering in Strange Lands?

In Part 1, Jerkins discusses several cultural touchstones that are significant to many Black communities in America. Three prominent examples that Jerkins discusses are specific foods/cuisines, rootwork, and an aversion to water. Jerkins' research demonstrates how, if one traces the roots of cultural touchstones, one can better understand a people's history and present-day circumstances.