The correct answer is During a time of war.
The Schenck vs. United States Supreme Court case deals with the issue of freedom of speech during the World War I era. In this case, Schenck was using his freedom of speech to convince people to avoid the military draft that was taking place in the United States. The Supreme Court ruled that this is not protected free speech, as this speech presented a clear and present danger to American society, especially since this was done during World War I.
What you are describing is the system of checks and balances.
In the United States there is a system of checks and balances. In our federal government, we have three different branches including the executive, legislative, and judicial. In our system, the executive branch consists of the president while the legislative branch consists of the Senate and House of Representatives. These different branches all have the ability to check the other branches. This ensures that no one branch or individual will gain too much power.
It causes slave rebellion and anti-colonial uprising. They founded the first black republic in modern history that they called Haiti.