Select all the correct answers. which two factors contributed to the spread of islam in africa? islam was already practiced by people in africa. many africans no longer believed in their own religions. the islamic empire extended into north africa. the gold-salt trade brought islamic arabs into western and southern africa.

c) they were beaten and fired from their jobs.

i dont know but i need points

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.

the answer is a. harriet tubman was a nurse on the battlefield.