Positive effects it gave us a way to spread our political beliefs. But at the same time it made people start fights because they did not feel the same about certain things so it created conflicts against people. But the good part about it is that it created a way people could spread their political beliefs and share their thoughts with others.
Well one reason could be that nobody is at a higher status than another so there's little chance of a dictatorship or anything. A different reason is a balance of power leaves no desire to gain more from unfairness.
1. The blast might launch a cataclysmic reaction in the upper atmosphere leading to world destruction
2. Consequences of radioactive fallout on civilian populations surrounding the test site.
3. The test would be an outright failure.
The wright brothers invented the airplane.