Truman defended the Truman Doctrine that meant that if a capitalist country was being attacked America had a duty to give military aid to that country. Truman also knew that the invasion of Korea by the USSR could cause a domino effect and they would dominate one country after another. He had this knowledge since WWII with Germany’s actions.
Settlers refused to help American Indians find better sources of water. Settlers helped American Indians preserve native plants and animals. Settlers spread diseases that killed thousands of American Indians.
