I don't know I think they can preduct the future
This was known as the "iron curtain." It was a term used to describe the boundary in Europe, which formed at the end of WWII and lasted until the ending of the Cold War.
Taking on the view of someone following God, God said when creating the earth to work 6 days and to keep the 7th holy. He even says in the 10 commandments to keep the Sabbath holy (which Is the 4th commandment). So not keeping the Sabbath was basically disobeying God which is why its so important for followers of Judaism (and Judea-Christians) to keep it holy/a day of rest.
During the 19th century, America had a strong reluctance to become involved in other countries alliances and affairs. Isolationists in America argued that the US had a different philosophy than European countries and the US should defend freedom and democracy by not being involved in such things.
During the Spanish-American War, the US remained isolated and the country fought the war without alliances and without fighting in Europe. But the mindset started to change since the motto of freedom and democracy was substituted by the US bringing an empire in the Caribbean and in the Pacific - the US had influence in the Phillippines, Puerto Rico and Guam -.
President Roosevelt had the big stick policy, he believed that the US should export its values and become a global power. At the same time, he defended that the US should avoid conflicts. President Roosevelt ended the isolationism in the US and started the modern American philosophy of acting aggressively in foreign affairs even without the support of the Congress.