witch statement about the berlin wall being pert of the political competition between the soviet union and the united states is true

lewis and clark (i think)

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;

propriety is the answer. hope this !

explanation:

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!