Why does this trade between countries require a process for is changing different currencies a because most countries have their own forms of money be because those buying goods on the international market only accept gold and silver see because the e u r o is accepted in all Southwest Asian countries D this keeps currency values fixed and allows for steady economy growth
A) because most countries have their own forms of money.
This is the correct answer. Most countries have their own currency systems with different values, so a process for exchanging currencies is necessary in order to facilitate trade between countries.