Why cant america just get all of its resources within its own borders?

It cannot due to climate and wealth

Explanation:

America cannot get its rescources within its borders since the climate in America won't be able to provide things like spices, different kinds of rice, and other grains. Other things like copper are only available in the Mediterranean with are worth much money and can make America more profitable than other countries. I hope this answered your question.

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't