Jonas Salk transformed the world he came into. He made the world a better place to live in and made everyone feel safer. In 1914, the year Salk was born, several events were going on in the world. World War I began, the United States intervened in Mexico, the Clayton Antitrust Act passed, the Federal Trade Comisson was established, and the Panama Canal opened. Also, in sports, Austrilia won the Davis Cup tennis championship from the United States,
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