Which of the following best explains why countries must have an exchange rate? A.
To allow travelers to pass from country to country

B.
So that the government cannot control the economy

C.
To make taxes lower

D.
In order to trade with one another

C or B

Explanation:

They both make sense but im not sure which is correct but I do know its one of them

small european communities with shared traditions consolidated into large new states (apex)

that was the type of government the spanish colonists were used to.