There is a subtle difference between Arctan and arctan
Arctan(x) is an inverse function such that the range is only the principla value
meanwhile, arctan(x) takes on infinitely many values
hope this helps
Children performed all sorts of jobs including working on machines in factories, selling newspapers on street corners, breaking up coal at the coal mines, and as chimney sweeps. Sometimes children were preferred to adults because they were small and could easily fit between machines and into small spaces.
source: https://www.ducksters.com/history/us_1800s/child_labor_industrial_revolution.php
I would say government and rights of the public to decide whether we should war or not.
The best answer to this question would be (b.) The Marshall Plan. After World War II, the United States offered assistance to war-torn European nations through the Marshall Plan. The Marshall Plan was the aid to the Western European countries to rebuild their economic stability. This was funded by the government of the United States.
