Identify the diffrence between an aria and an opera

Which statement best describes why article 3 of the constitution gives congress the ability to create lower courts inferior to the supreme court from time to time

Ahistorian is writing a book about british prime minister winston churchill. she claims that churchill was one of the earliest british leaders to realize that nazi germany was a serious threat to british security what is the best way to determine whether the historian's interpretation is valid? o a. review primary sources to see if churchill ever recorded his opinions of nazi germany. o b. find out whether the historian has written any other books about british leaders. c. analyze secondary sources summarizing the effects of nazi germany on great britain. o d. cite the historian's book in another study about important 20th- century world leaders.

Plz 50 points answer only if you know and dont copy from others draw conclusion explain how trade in the east african city-states resulted in a blending of cultures. provide examples