The stock market has historically returned an average of 10% annually, before inflation. However, stock market returns vary greatly from year-to-year, and rarely fall into that average. Over nearly the last century, the stock market's average annual return is about 10%.
Both were passed to keep people quiet
The Espionage Act was passed to keep people from interfering with the military's attempt to defeat Germany, the point was to make it so that individuals could not publicly speak out or publish opinions on the topic.
The Sedition Act was passed to keep people from speaking out about the president or the US government
In England, the doctrine that allowed the courts to hold protective jurisdiction over all children was called parents patriae.
For the same reason many others were. There were many people who believed that they should have the right to rule the country which led to a lot of infighting. This was common for countries that gain independence, especially in Africa where tribes still fight for control nowadays even though the age of colonization is over.