What are the historical circumstances behind the creation of the Iron curtain in Europe after World War II?

The creation behind the Iron Curtain was the use containment to contain the spread of communism through other countries in Europe.

Explanation:

Iron Curtain, the political, military, and ideological barrier erected by the Soviet Union after World War II to seal off itself and its dependent eastern and central European allies from open contact with the West and other noncommunist areas.

judaism developed through the growth of a single nation of people

christianity developed through followers spreading the religion throughout the world.

explanation:

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: