What is a Cold war between America snd the Soviet Union?

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

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons

Complete this history worksheet . answer as many questions as you can.