A famine in 1921 prompted Lenin to institute the New Economic Policy (NEP), which: shifted focus from industrialization to agriculture.
returned the Soviet Union to a capitalist system.
permitted private ownership of small farms and businesses.
seized all private resources and placed them under government control.

permitted private ownership of small farms and businesses.

Explanation:

New Economic Policy (NEP) was purposely created by Vladimir Lenin to create a form of free market and capitalism, which will be controlled by the government, and at the same time, the state businesses would operate on profit.

Also, NEP was created to replace war communism, for the Soviet Union main economic policy, which will then allowed private ownership of small farms, business, the return of markets and the sale of surplus goods

Hence, a famine in 1921 prompted Lenin to institute the New Economic Policy (NEP),whhich: permitted private ownership of small farms and businesses.

they were unable to pay their debts

the east coast has nothing to do with the dust bowl, the dust bowl killed a full year's worth of crops in seconds, and with the dust on the land, the land would be worthless.   furthermore the farmers couldn't  get  out of their houses due to the dust so when the bank came to collect money, farmers couldn't  pay it

b. she founded a new dynasty that ruled egypt for generations.