Doomsday Crisis

When aliens attack, will humans survive when encountering high technology? Facing cruel wars, where will the people at the bottom end? A highly developed civilization will face off against a developing civilization! In 2031, aliens visited the earth and had fierce conflicts with humans. How could the highly developed aliens be resisted by the fragile earthlings! This war almost destroyed the earth This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.