Answer:
try mixing the first question and last question if that helps but none of these will be perfect because they hold different points
A verbal agreement (or oral agreement) is spoken.
Wallstreet crashed in 1929, bankrupting those who held stocks in buisnesses, and those buisnesses suffered. Banks failed and people were unemployed
The dustbowl followed after, thus contining the depression on longer. Dust storms bothered crops, and made living conditions harder.