I WILL MARK BRAINLEST PLEASE HELP>>>What are some examples of centripetal and centrifugal forces in (AP Human Geography)? Please explain them thoroughly. :)

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.

One disadvantage that darwin faces today is w. enemy attacks x. natural disasters y. lack of land bridge z. high population density

Which of the following countries was not an ally to the u. s.s. r. during the cold war? west germany poland romania cuba