Changes in social and living conditions. The industrial and economic developments of the Industrial Revolution brought significant social changes. Industrialization resulted in an increase in population and the phenomenon of urbanization, as a growing number of people moved to urban centres in search of employment.
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years of economic stagnation left it far behind western an asia countires </span>
The Revolutionary War with Britain after British colonists were already in the US, sent by the British. Basically, they were being taxed on stuff like Molasses and Tea. They didn't want taxation from a country in which they had no representation in government. This was the reason for the Boston Tea Party. Then of course they formed their own independent country once they were free from Britain.
The Space Race Begins. It is 1957 and the U.S. and the Soviet Union are locked into the Cold War. The Soviet Union has just launched the world's first satellite, Sputnik. Fearful of Soviet military control of space, the Americans quickly ready a rocket.
work·er
/ˈwərkər/
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noun
1.
a person who does a specified type of work or who works in a specified way.
"a farm worker"
2.
a person who produces or achieves a specified thing.
"a worker of miracles"
Hope i helped!