I'm the modern u. s. political system, what is the main system political parties use to nominate candidates?
a. primary
b. caucus
c. general election
d. party appointment

Which two important economic activities in the west are possible because of the united states natural resources

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy

Which 19th century technological advancement would best allow farmers along the mississippi river in iowa to quickly transport their crops to buyers in louisiana?