George kennan's article "the sources of soviet conduct" called for america to follow a policy of "" to keep communism in the places where it was already established.

What was the mame given to the idea that americans should expand across the nation ro the pacific coast

Of the following, who would be the least affected by the telegraph? eastern industrialists western businessmen city dwellers native americans

Which behavior is appropriate in the laboratory? eating a snack while conducting an experiment mixing chemicals as instructed by the lab procedure tasting unknown chemicals to identify them tossing around a football with friends