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

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

hey, did you get this? could you me out?