When and what started and ended the cuban missile crisis?

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.

Aman wearing warm clothes in a cold place would be an example of how humans adapt to their environment. affect their environment. can change their environment. choose where to live.

What was one major cause of worldwide conflict during the first decade of the 21st century?