States in the Indian Ocean Basin maintained power through trade, but that reliance also led to their eventual decline. Why is trade often an unreliable foundation for state building?

Because if you keep trading something your low on supply of you will run out and be left with nothing

Explanation:

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

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