"The main negative effect of outsourcing is it increases U.S. unemployment. The 14 million outsourced jobs are almost double the 7.5 million unemployed Americans. If all those jobs returned, it would be enough to also hire the 5.7 million who are working part-time but would prefer full-time positions."
Source:
https://www.thebalance.com/how-outsourcing-jobs-affects-the-u-s-economy-3306279
Due to decreased light penetration, B. THE MOUTH of the rivers and streams will have less diversity of plant life.
The decreased light penetration is brought about by the murkiness of the water due to numerous deposits of sediments. Sediments that have been collected at the water travels towards the mouth of the rivers and streams causes the water to be muddy and murky making it impossible for light to penetrate.
It is because the Americans started to see all the other countries become free and they wanted to become free to. They also started to not like the way the British treated them.