ITS BIG POINTS SOMEONE HELP ITS DUE AT 2:30 "What led to the agricultural revolution, why did early humans begin farming"

Theodore roosevelt beloved that the only checks on presidential power were

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.

The soviet union and the united states believed in two very different economic systems. what were the names of each?