C is the answer to this question
Taoism stresses rituals and believes in many gods and ancestral spirits. Over time, religious Taoism began to focus on the quest for personal immortality, using science to search for magical potions that would grant healing powers and eternal life.
The radiation left after the war. Along with the many people who died thereafter for many years. This also caused a nuclear war of sorts later on with Russia.
Just use google lol thats easy
Most of the time butterflies migrate to find new mates or even to warmer places like birds.
