I believe the answer is: Cyclones.
Cyclones happen when a mass of air rotates on strong center within the low atmospheric pressure.
This mass of air is often accompanied by thunderstorms and could be originated from both tropical or subtropical waters.
Answer:
World War 1
Explanation:
WW1 just ended in 1918, and the US had just come out victorious.
Answer:
they were attracted to there because there was gold, and then it took 9 or 7 days. "a week later" "the night before" and "the next morning" hope it helps!
Explanation: