They wanted to have texas I think
The correct name is National Liberation Front of South Vietnam, also known as Viet Cong.
This massive political organization counted with its own army, the People's Liberation Armed Forces of South Vietnam (PLAF). They fought against the US and forces from South Vietnam during the Vietnam War, with the aim of releasing the Southern half of the country from imperialism and capitalism. Eventually, they ended up becoming the war winners.
European powers were running out of places to colonize in africa, while trade in East Asia was becoming more and more profitable, but the cost in time and money of traveling all the way around africa and through the india ocean (or the long trek down the silk road) was hampering European profits off of trading. So the Spanish sent Columbus to find a shorter root to Asia. Columbus didn't set out looking for America, it was just a happy accident.