Answer:
The right answer is: domino theory.
Explanation:
The domino theory was seen as a likely outcome in the geopolitical chess of the Cold War in the developing world. According to the views and mentality of the era, if one country falls to Communist hands, neighbors will follow. It was a rationale for action in both Korea and Vietnam. It was also applied to Latin America.
The French celebrate that day because it commemorates the Storming of the Bastille on July 14, 1789. It was a turning point of the French Revolution. Also, Fete de Federation was held on July 14,1790. It was a way to celebrate the constitutional monarchy in France.
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The National Government could not force the states to obey it's laws.