How did American society change due to the issue of oil scarcity in 1973?

Explanation:

The 1973 Oil Embargo acutely strained a U.S. economy that had grown increasingly dependent on foreign oil. ... The price of oil per barrel first doubled, then quadrupled, imposing skyrocketing costs on consumers and structural challenges to the stability of whole national economies.

The United States encouraged Panama's declaration of Independence from Columbia because Columbia had raised the price for the rights to build the Panama Canal. So you're answer would be
C) Colombia had raised the price for the rights to build the Panama Canal

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