The currency from almost every country can be converted to another country's currency. true or false ?

Idon’t know actually i’m in 5th grade and don’t know

After the experience with great britain having a monarchy, the united states realized that everyone needed to have a voice in the government. the fact that americans had no voice was the main reason for the war. thus, they created a democracy, where the people voted for their representatives and the government ruled with the consent of the people.