Which of the following is a benefit of international trade?

A. Producers have wider markets on which to sell their products.
B. Governments can reduce the amount of money they spend on
international defense
C. Citizens can vote in the elections of countries from which they
make ourchases
D. Consumers can control the number and types of services exported
from their countries

answer: i'd say the answer is d because the information system is the human already doing the activity.

the answer would be voluntary exchange -

"the act of buyers and sellers freely and willingly engaging in market transactions. moreover, transactions are made in such a way that both the buyer and the seller are better off after the exchange than before it occurred."

hope this : )

-shy

d) social security number

let me know if i am correct or not, so i can edit the answer.