How was slavery in mesoamerica, africa, and the arab world similar? w awan forced to hledaa lavalt to their ware

What was the historic border between the united states and mexico?

What were four reasons for the decline of spain as a world power

In 1816, john c. calhoun proposed that: a. that the federal government aid in the construction of roads and canals to improve transportation to and from the west b.the united states should end slavery. c.the united states should increasing the size of the navy and invade central america. d. the united states should annex hawaii