How do the united states and other nations primarily cooperate economically? a) by promising to buy one another's goods b) by defeating common enemies c) by forming trade blocs d) by giving one another money

C is the correct option.

Explanation:

Trade blocs are intergovernmental agreements and can be part of a regional intergovernmental organization where trade barriers are reduced and eliminated among the participating countries. Trade Blocs are also the only agreements between different states. It can also be a part of regional organizations. They can be classified based on the level of economic integration into Preferential trading partners, custom unions, and common markets. Some examples of trade blocs are NAFTA(North American Free Trade Union) and ASEAN (Association for South East Asian Nations).

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treating native americans justly and giving them equal rights as citizens of the united states" was not a way in which americans sought to solve the indian problem. removal was the most popular idea.