Choose all statements that accurately describe how the dust bowl affected the american economy.

Dust Bokwl makes reference to the great drought that there was in the Midwest, in 1930. The drought came because of weather changes in the Pacific and Atlantic oceans, causing the wind currents took the opposite way than the usual. The drought brought ruin to millions of farmers because damaged their lands, crops, and animals. They could not work in that conditions and even in a critic situation like that, farmers sacrificed pigs to reduce the offer and increase prices to have economic sustainability, However poor people coould not buy them. Another consequence of the drought was the fact that carried a lot of dust over houses and animals causing the death of a variety of them and pneumonia in children.

porter is writing economic history because he is focusing on the cost of developing vaccines.