In 1879, in leipzig, germany, the first psychological laboratory was overseen by

The persian empire finally fell to the armies of

What was the main objective of the national origins act of 1924

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