I think it is the answer A: Stability .....
A. The Berlin Airlift
The Soviets couldn't counter it ,so they eventually gave up and reunited Berlin.
"...it is their right, it is their duty, to throw off such Government, and to provide new Guards for their future security.." is the one among the following that best reflects the principle of social contract in the Declaration of Independence. The correct option among all the options that are given is option "C".
C Mississippian peoples cultivated corn on Mississippi Valley floodplains and created pottery and immense earthworks
The native populations living along the Mississippi Valley used clay from the floodplains to create potter and the ground provided good soil for corn production. What they are most known for are the earthworks or mounds that they built for burial and artistic works to represent their gods. Cahokia was a large mound site near current day St. Louis and demonstrates the skill and size of these mounds.