How did Westward expansion add to political problems in the US?
А
Congress did not want to spend millions of
dollars purchasing and fighting for new
territory
B
Relationships with foreign powers soured as
the US took over more territory.
С
Americans in the new Western states voted to
secede from the East, sparking the Civil War.
D
Northerns and Southerns fought over whether
to allow slavery in the new states.