Can someone help me I will give brainlest.

your answer is a hope this

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.

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.