During the 19th century, the united states ability to remain isolated from european affairs was largely due to its
a. lack of cultural identity.
b. economic instability.
c. political instability.
d. geographic location.

During the 19th century, the United States ability to remain isolated from European affairs was largely due to its "D. geographic location", since it was separated by two great oceans that, back then, were not easy to cross.