What is the main idea or argument of the white house source

Need it now explain gorbachev’s policy of glasnost. how did this policy change the soviet union?

What is the definition of evolution

Which of the following best describes the outcome of the bay of pigs invasion? -it ended in a draw despite strong air support from the united states. -it was a partial success that to resolve the cuban missile crisis. -it was a success and created hostility between cuba and the soviet union. -it was a failure that was an embarrassment for the kennedy administration.