Answer:
1. 1,000 bushels of wheat
2. d) A situation where one country does not engage in trade with other
Step-by-step explanation:
1 & 2. Autarky refers to a situation where a country does not engage in trade with other countries but rather relies on its own production capacities to feed the consumption in the country.
Autarkies in the current world are not a thing because countries trade with each other. Even North Korea trades with Russia, China and others.
In an Autarky situation therefore, the United States would only be able to consume the wheat that it produces itself which according to the question is 1,000 bushels of wheat.