One possible use for foreign aid is for one country to help another

improve mitary power.

reduce tariffs.

remove trade barriers.

change policies.

Improve military powers.

Explanation:

Military aid is a form of foreign aid that is used to assist a country or its people in its defense efforts, or to assist a poor country in maintaining control over its own territory. Many countries receive military aid to help with counter-insurgency efforts. Military aid focuses on the demand for physical security.

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.