What were blacklists? What was the McCarran Act? Did it officially become a law

Which of the following statements is true for all european union countries a. they each have their own hereditary monarchy b. they each have their own national currency c. each has its own democratic government d. each practices roman catholicism

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

Which is true about pontiacs war in 1763