Answer: The early 20th century was an era of business expansion and progressive reform in the United States. The progressives, as they called themselves, worked to make American society a better and safer place in which to live. They tried to make big business more responsible through regulations of various kinds. They worked to clean up corrupt city governments, to improve working conditions in factories, and to better living conditions for those who lived in slum areas, a large number of whom were recent immigrants from Southern and Eastern Europe.
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Going through the great depression
It was invented in 1950. They started to work on it in 1930 I beleive.
The correct answer is <span>Invasion of Cambodia
Although the war had been localized to Vietnam, in 1970 the Southern Vietnamese army with the help of the United States troops had invaded into Cambodia who was also having the same problems as the Vietnamese, the communists were fighting those against communism, so Vietnamese people decided to join the fight, which stirred a new round of protests.</span>
The British burned Washington in retaliation for the US burning the city of York in Ontario in 1812.