What are some obstacles that would arise if different sates had different currencies? Please help me ASAP thanks

If different states had different currencies, things would be more or less expensive, making it difficult to have a stable economy.

Explanation:

If they were to have different currencies were to be different, you could only know how much money a certain state has because it's different.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

b. the american revolution