Afghanistan usually trades with it's neighbors, including Pakistan and Turkey. They trade things such as fruits, nuts, and handwoven carpets for machinery and other capital goods, food, and textiles. They trade with Pakistan and other neighboring countries so they can receive goods that aren't commonly found in Afghanistan.
There might be some really helpful and beneficial ideas that a branch of government wants to pursue, but this branch would not be allowed to do so because of the checks and balances principle.