Answer: there were two immediate ones: America's support the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.
Explanation:
Fasle they mainly traveled in Aisa and eastern Eurpoe
The Mongol invasions of Japan failed because Typhoon winds destroyed the Mongol fleet. The Mongols failed to conquer Japan even though they had successfully conquered the much larger land of China and also Korea. The typhoons that saved Japan did not even happen just once but twice ! Both times that the Mongols set out to conquer Japan, their fleets were destroyed by typhoons. Japan was geographically in luck and also helped by nature.
Answer:
Inventions like the airplane and machine gun
Explanation:
World War I was so deadly because all of the new weapons that were invented. New technology that was being invented such as machine guns and mustard gas made war deadlier than every war before.
