Number 1 I need helps

Explain in detail why hitler had over 6 million jewish people killed during the holocaust and why

In the declaration of independence, the colonists listed the complaints against the british government to prove they were being treated unfairly. what was one complaint in the declaration of independence?

Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by o a. region b. culture c. period d. theme