In the 1950's, Communism was a big no-no, so when Communist North Korea invade South Korea the United Nations responded by sending financial aid to South Korean defenders and it began to think about sending troops to fight off the Commies.
The renaissance introduced humanism and started to shift people's mindsets from striving to achieve an ideal life after death to enjoying and making the best of their current life.
The 1917 French Army Mutinies were due to the loss suffered at the Second Battle of the Aisne which was the main action in the Nivelle Offensive. When the troops entered the battle, they were optimistic having been promised a decisive war-ending victory over the Germans by General Robert Nivelle. However, failure to win ruined their mood resulting in the mutinies
