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A talkie was a movie that had talking in it. For most of the time movies had only music and no words. Well during the 1920s movies with dialogue came out. These became known as talkies and people from all around would come to watch these at the local theaters.
The Cold War was a period of geopolitics tension between the Soviet Union and the United States and their respective allies.
Hippocrates was the first to separate medicine from philosophy & HE believed in the importance of diet & exercise for a healthy body
At the time, most rulers were Catholic and believed that the Pope had influence over all of them. And to top all of that, Roman Catholicism was the only Christian religion at the time.