In its ruling on the Dred Scott case, the Supreme Court decided that Congress could not ban slavery?
a. free states.
b. slave states.
c. territories.
d. free republics.

false

explanation:

i'm asking the same thing i asked this other cat all of

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.

is it multiple choice