What was the impact of the Columbian Exchange on both Europeans and Native Americans?

The roosevelt corollary, issued in 1904, was a revision to what earlier statement of u.s. foreign policy?

What impact did president grant’s executive order in 1876 have upon the cahuilla tribe? it forced them to disarm and surrender all money and firearms. it forced them to accept relocation to subpar lands in canada. it forced them to relocate to the cabazon reservation. it forced them to give up rights to water and other natural resources.

Who was the leader of the black nationalists in the 1920s?