Hurry due today brainlest and points rewarded

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.

Choosing to engage in military action to assist another country is an example of sanctions. internationalism. o isolationism. o diplomacy.

Briefly explain one result of either louis napoleon's or otto von bismarck's policies that is not mentioned directly in the speech.