Explanation:
Stowe never meant Uncle Tom to be a derided name, but the term as a pejorative has developed based on how later versions of the character, stripped of his strength, were depicted on stage.
The factories created pollution and mess making the sky dark full of smoke and making the cities full of factory pollution
A main goal of President Richard Nixon's policy of detente was to 2. reduce tensions between the United States and the Soviet Union. Keep in mind that Nixon led the US around some heated moments in the Vietnam War. As such, he sought to ease tensions elsewhere. In French, the word actually means "relaxation."