Answer:
destruction or slaughter on a mass scale, especially caused by fire or nuclear war.
Explanation:
The Holocaust, also known as the Shoah, was the genocide of European Jews during World War II. Between 1941 and 1945, Nazi Germany and its collaborators systematically murdered some six million Jews across German-occupied Europe, around two-thirds of Europe's Jewish population.
The Enlightenment thinker was Jean-Jacques Rousseau
Long-term v. short-term presidency: Some wanted lifelong terms down to two year terms--there were concerns of chaotic changes not allowing for stability and the states' rights side (Anti-Federalists) wanted the ability to change power often.
There were also discussions regarding qualifications and powers of the president. Most of the disagreements were decided by compromise leading to the government that is created out of the Constitutional Convention.
Because pollution was blocking sunlight.