Perry approached Japan in a somewhat threatening manner. He sought after them with a navy vessel at his side and basically told them to open their trade relations or else. =)
When the African Americans opposed the colonization of Africa, it improves the social issues faced by the Blacks due to the realization that the American Colonization Society was pro-slavery and only wanted to get rid of them in America.
The item that anthropologists study to learn about in the past is bones i do believe.
