After the civil war there was a huge surge to rebuild the infrastructure of the U.S. many Americans wanted to move west to escape the horrors of the civil war, which started the race to the west coast (intercontinental railroad)
Adopting a single currency is essential to having a smooth internal economy. When many states trade with different currencies within a closed environment, people who wish to buy products across boundaries have to convert currencies, which usually involves a fee.
C. The United States and the Soviet Union
Answer:
Cut off budget support for that policy
