After confederate troops opened fire in fort Sumter, approximately how long did it take for the union surrendered

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

How did the international community respond to south africa’s policies in the 1980s?

Which events are correlated but do not necessarily have a causal relationship?