The main impact of the invention of the cotton gin in 1793 was on the ability to process short-staple cotton.
They influenced later civilizations because they were some of the first written laws.
Two very particular issues drove Reagan's political conversion: fiscal policy and anti-communism. In the late 1940s, Reagan was facing the end of his career as a movie actor and was finding less and less work. He was upset because he felt that he had only a short window to maximize his earnings and ensure his future financial security and that the present 90% top marginal rate was unreasonable.
<span>Reagan's experience as a board member and later president of the Screen Actors Guild also moved him politically rightward. In this professional capacity he dealt with a strike by a set builder union backed by communist sympathizers.
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<span>It convinced Americans that the war wasn't nearly over. </span>
