What are two main ideas about the historical events of the dust bowl

Two main ideas of the dust bowl were that it intensifies the crashing economic impacts of The Great Depression and it drove many farming families on a desperate migration in search of work and better living conditions.

(don't copy word for word)

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

it increased the power of the king of england.