<span>Land that was taken away from Native Americans
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They Europeans believed that they could use the Africans as slaves.
The introduction of iodized salt in the 1920's dramatically<span> reduced rates of goiter</span> in the United States. This rapidly reduced the incidence of iodine deficiency. The United States and Switzerland were the first two countries to introduce the use of iodized salt to their country.
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The gulf of tonkin gave the President of the United States (Lyndon B. Johnson) the right to use any military force that was deemed conventional without the declaration of war by Congress in Southeast Asia and to assist any army, whether legitimate or not. This started the rapid escalation from the Americans in the Vietnam War and their rapid warfare against North Vietnam.