In short, Germany was close to being defeated, and America wanted to be part of the post war carve up (when territory was divided). The US was supplying war materials to the Allies and could not do so while maintaining complete neutrality. There was also the sinking of the British ship Lusitania which angered the US. Also, the Zimmerman telegram.
They are the first 10 amendments and the document helped protect an individuals rights and freedoms.
A: It was a period of rapid economic and social transformation.
The
Roaring Twenties saw immense economic and social change occurring in
the United States of America. The availability of easy credit meant that
newer inventions such as the automobile and radio (and many others)
became commonplace in American households which in turn dramatically
changed the social landscape of the country.
The correct answer is negative population growth
This is actually completely opposite of what's happening, they have a positive population growth. Deforestation is a huge problem in areas such as Brazil for example, while water shortages and pollution are problematic in places where industry is developing or is polluting drinkable water or there is just a lack of water due to droughts.