10 amendments, these ten are also known as the bill of rights, and they were the federalists concession to the anti-federalists so that they would accept and ratify the constitution as a whole.
The leader of the underground railroad was Harriet Tubman
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.