Which describes south carolinian john c. calhoun's position on the issue of states rights and the union?
a.
states had to obey the federal government's laws.
b.
the federal government could require states to abandon the institution of slavery.
c.
the federal government could use force to keep states in the union.
d.
states could nullify the federal government's laws.

On a supply and demand graph, equilibrium is the point where the two curves meet. the supply curve begins. the supply curve ends. the demand curve ends.

Which of these was a result of the labor day hurricane that took place during the great depression? a) farmers lost many orange trees in orlando. b) cattle ranches were damaged near fort mccoy. c) a railroad connecting key west to miami was destroyed. d) a lake overflowed and flooded towns near fort lauderdale.

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.