Repetition of similar events or recurring historical themes is called a what

How did charles v and philip ii expand the spanish state? they united separate spanish kingdoms into a unified state. they supported protestant rebels in the netherlands. they carried on a successful war against britain. they fought wars and tried to expand catholicism.

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

About how many european immigrants were processed at the facilities on ellis island