In 1861, many Northerners were willing to allow Southern states to leave the Union until
a. John Brown's raid on Harpers Ferry.
b. the South attacked Fort Sumter.
c. Robert E. Lee was named to head the potential new nation's army.
d. South Carolina seceded from the United States.
e. Virginia and Tennessee joined the seceding states.
Question 2
The clash between Britain and France for control of the North American continent sprang from their rivalry for control of
a. Cape Breton Island.
b. the Ohio River Valley.
c. the Mississippi River.
d. the Great Lakes.
e. the St. Lawrence River.
Annual Water Use in the United States
Ethnic Variations in Prenatal Care within the United States
Nicolas Poussin, Landscape with St. John on Patmos.
Countries of Origin of Unauthorized Immigrants to the United States
The level of emissions from transport in the United States is twice as high as the global average