Because it's always only been about these 2 parties. Republican and democrat. The third parties are just there... they never ever get enough votes to win, electoral or popular vote.
Answer:
After the Holocaust, the world vowed to never again permit the crime of genocide. In the many decades since, genocide and mass violence have played out again, and again.
Answer:
Its effects cut across religious and class differences, harming both Hindus and Muslims, rich and poor.
Explanation:
Declaration of Independence
, then Articles of Confederation
, then the United States Constitution
, and finally, the Bill of Rights :'D