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.
Quick Answer. In the House of Representatives, states are represented according to their populations, with each state guaranteed at least one representative. The total number of representatives is capped at 435 as of 2014, so states gain or lose representatives according to population shifts. Continue Reading.