Why did the economy of the Northeast develop so differently from the South and West? A. The Northeast had a plentiful amount of land, ideal for cultivating cash crops.
B. Gold and silver were discovered in the Northeast in the mid 1800's, attracting immigrants to mining towns.
C. The fast flowing rivers in the Northeast allowed for the construction of factories and caused manufacturing centers to develop
there.
D. The open spaces in the Northeast allowed for the ranching and cattle industry to boom.

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.

Poland a: nato b: warsaw pact c: not a member of either alliance

What were two theories put forth by marx?