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).

the correct answer that would best complete the given statement above would be option b. expanding civil services. diocletian and constantine paved the way for foreign invasion by dividing the empire, creating administrative bureaucracies and reorganizing the military, except for expanding civil services. hope this answer .

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explanation: