An object whose gravity is so strong that nothing can escape, not even light.

Neutron star
Planetary nebula
Supernova
Blackhole

Why is the united states a constitutional republic? why is china, which has a constitution, not one? compare the forms of government in the united states and china.

Which of the following events most directly contributed to the establishment of israel as a nation

1. how did conditions in germany and europe at the end of world war i contribute to the rise and triumph of nazism in germany? 2. how did the german government under nazi rule build support among the german people? 3. how did nazi germany gradually isolate, segregate, impoverish, and incarcerate jews and persecute other perceived enemies of the state between 1933 and 1939? 4. how did the nazis lead germany to war in europe and, with their collaborators, kill millions—including systematically murdering six million jewish people? 5. why is learning about the holocaust important? so we don’t repeat history.