In Southeast Asia, the United States government used the domino theory to justify its support of a non-communist regime in South Vietnam against the communist government of North Vietnam, and ultimately its increasing involvement in the long-running Vietnam War (1954-75).
The number of voting representatives in the House is fixed by law at no more than 435, proportionally representing the population of the 50 states.
U.S. House of Representatives. Members of the U.S. House of Representatives serve two-year terms, which means that all 435 Representatives are elected in both midterm and Presidential election years. The number of Representatives per state is based proportionally on the stateâs population.