History of Vietnam since 1945 unstable as no government could keep power for long. There were more coups, often more than one every year. The Communist-run Viet Cong expanded their operation and scored some significant military victories during this period. In 1965, US President Lyndon Johnson sent troops to South Vietnam to secure the country and started to bomb North Vietnam, assuming that if South Vietnam fell to the Communists, other countries in the Southeast Asia would follow, in accordance with the domino theory. Other US allies, such as Australia, New Zealand, South Korea, Thailand, the Philippines, and Taiwan also sent troops to South Vietnam.
What Happened to Us What Happened to Us "What Happened to Us" is a song by Australian recording artist Jessica Mauboy, featuring English recording artist Jay Sean. It was written by Sean, Josh Alexander, Billy Steinberg, Jeremy Skaller, Rob Larow, Khaled Rohaim and Israel Cruz. "What Happened to Us" was leaked online in October 2010, and was released on 10 March 2011, as the third single from Mauboy's second studio album, "Get 'Em Girls" (2010). The song received positive reviews from critics. A remix of "What Happened to Us" made by production team OFM, was released on 11 April 2011. A different version of