Which Country isolated itself from outside influences from the 17th century through much of the 19th century A. China
B. Japan
C. North Korea
D. Taiwan​

Plz ive been stuck on this question forever. in 1753 george washington was sent on a mission to a. build a fort at the point where the allegheny and monongahela rivers form the ohio river. b. attack the french at fort duquesne. c. attack the french at fort neccessity. d. deliver a message to the french demanding that they leave the ohio river.