The domino theory was the notion that stated if one country fell under communist influence its neighboring countries would soon follow, like a falling domino causing the entire row of upended dominoes to fall. The blockade and tension in Berlin, made the United States aware of further conflicts involving the spread of communism like the Korean War. The domino theory caused the United States to take the Truman Doctrine and containment very seriously. In Korea, the north supported communism while the south believed in capitalism. The 38th parallel divided these two beliefs prior to the Korean War like the Berlin Wall. Because North Korea demonstrated efforts to spread communism by invading through the 38th parallel, the United States upheld the ideology of containment and agreed to not let this occur. As North Korea was aided by the Soviet Union to spread communism, the United States backed South Korea to stop it. Due to the invasion, a proxy war broke out which resulted in a tie and each side ended back in their original territories from the 38th parallel. The United States involvement in the Korean War demonstrated the determination to not concede to the Soviet Union by not letting communism spread any further. By aiding South Korea, communism was restrained and the United States was able to succeed by applying the Truman Doctrine. Due to the domino theory, the United States was prepared for similar spread of communism in Korea like Germany, but to ensure no diffusion the United States aided the hot war in Korea unlike Germany as it remained as a Cold
The domino theory was the notion that stated if one country fell under communist influence its neighboring countries would soon follow, like a falling domino causing the entire row of upended dominoes to fall. The blockade and tension in Berlin, made the United States aware of further conflicts involving the spread of communism like the Korean War. The domino theory caused the United States to take the Truman Doctrine and containment very seriously. In Korea, the north supported communism while the south believed in capitalism. The 38th parallel divided these two beliefs prior to the Korean War like the Berlin Wall. Because North Korea demonstrated efforts to spread communism by invading through the 38th parallel, the United States upheld the ideology of containment and agreed to not let this occur. As North Korea was aided by the Soviet Union to spread communism, the United States backed South Korea to stop it. Due to the invasion, a proxy war broke out which resulted in a tie and each side ended back in their original territories from the 38th parallel. The United States involvement in the Korean War demonstrated the determination to not concede to the Soviet Union by not letting communism spread any further. By aiding South Korea, communism was restrained and the United States was able to succeed by applying the Truman Doctrine. Due to the domino theory, the United States was prepared for similar spread of communism in Korea like Germany, but to ensure no diffusion the United States aided the hot war in Korea unlike Germany as it remained as a Cold