What organization did the united states employ during the cold war to work covertly in communist countries?

How did rhe transcontinental railroad effected westward migration

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.

What does separation of church and state mean?