The amount of u. S. Exports purchased by the rest of the world is primarily determined by

Real disposable income in other nations.

Explanation:

Real disposable income is the real amount of purchasing power that people have after they pay taxes to the government. This is the money that people have available to purchase things (consumption) or to set aside for future investment (saving).

For people in other countries to be able to buy U.S. goods, they need to have enough real disposable income to do so. This is why high income countries like Canada or Japan import more things from the U.S. than low income countries like El Salvador or Nigeria.

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

b. martin luther king jr. wrote and spoke "i have a dream"

explanation:

i know this 100 percent is correct   b. is the best one. < 3