"Typhoon winds led to the failed Mongol invasions of _____ "
D. Japan
Answer: True
Explanation: The summer solstice occurs at the moment the earth's tilt toward from the sun is at a maximum. ... In the Northern Hemisphere, it occurs when the sun is directly over the Tropic of Capricorn, which is located at 23.5° south of the equator and runs through Australia, Chile, southern Brazil, and northern South Africa.
In 1917, Germany attacked some passengers in submarines from the US that led the US to assist in WW1. Hope this helps!