What product were europes and the american colonies interdependent on

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.

What was the significant advancement of the caravel? a. it could sail with the wind c. it could sail against the wind b. it could sail at night d. it was motorized

Which number on the map indicates the farthest reaches of alexander conquests?