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.
The current size of the U.S. Houseâ435 Representativesâwas established by Public Law 62-5 on August 8, 1911, and the law took effect in 1913. Article I, Section 2 of the U.S. Constitution stipulates the minimum and maximum numbers of Members in the House.