The thought that if one major city or country fell to communism then all the smaller and medium sized countries would fall to communism until finally it took america as its last country.
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The twelve tables established a system of defined bureaucracy for ancient Rome
Explanation:
The structures of absolute monarchy and the authoritarian state [the Christian Church], who were the dominating sources of governance and learning, were attacked by Enlightenment philosophers, who thought that reason will lead to general and absolute truths. The excesses of both institutions were the basis for this critique.
Ask this question again, you're going to need a more specific time the president has done this. however, if you are asking about WWI, the USS Lusitania, the Zimmerman Telegram, German U Boats targeting American ships, and so on.