Hello the answer for your question is immigration.
At one point, the value of the United States dollar was set according to the gold standard. One of these examples is the fixed exchange rate. The gold exchange standard guarantees the fixed exchange rate to the currency of another country that uses the gold standard.
The answer would be letter A.
Answer:
B. Crack down on government corruption.
Explanation:
World War I made the national government much more powerful than it had ever been. ... The government also commandeered control of much of the economy to get the country ready to fight, creating new agencies to regulate industry, transportation, labor relations and agriculture.