The line that separated communist countries from free countries in europe was called “the iron curtain.”

The "Iron Curtain" was an imiginary line that separated the countries under the control of the communist Soviet Union from the Democratic countries of Western Europe. This phrase was first introduced by Winston Churchill in a commencment address. Ultimately, this imaginary line would lead to increased tensions throughout the middle of the 20th century. This was a line that was constantly referred to as countries like the United States and the members of the North Atlantic Treaty Organization tried to stop the spread of communism.

i don't see how you want other people to do your work for you and it is like you are just handing your assignment to anybody else and having them deal with it instead of your self i thought this site was for asking questions and somebody could you on it not just handing your work to somebody else to deal with it just saying don't mean to be mean just proving a fact.

explanation:

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts