The boundary between the piedmont and coastal plain is known as the

The boundary between the Piedmont and the coastal plain is called the fall line.

in an effort to stem the tide of refugees attempting to leave east berlin, the communist government of east germany begins building the berlin wall to divide east and west berlin. construction of the wall caused a short-term crisis in u.s.-soviet bloc relations, and the wall itself came to symbolize the cold war.

answer; i believe the correct answer is (general);