The 13 colonies believed that they deserved all the rights that people in Britain had, while Britain thought that the 13 colonies were best used in a way that benefited their country (crown,parliament). The British tried to impose taxes on the colonies because King George III had spent a lot of money on the French and Indian War. The colonies were outraged. One of the most famous outcries was the Boston Tea Party (taxed tea was shipped out and a bunch of colonists dressed up as Indians decided to throw the tea into the ocean)
<span>Having been born in the territories of the United States of America was generally accepted as a necessary qualification for the rights of citizenship in the first few decades of the United States' government. This is still true today.</span>
Mainly the Soviet Union backed the Viet Minh otherwise known as the North Vietnamese as the USSR backed many communist/socialist countries around the world in small proxy wars against the United States to try and gain influence and expand communism. So your answer would be the Union of Soviet Socialist Republics.