The answer would be declaring war
The correct options are B AND D.
Agriculture was the major means of survival for men during the early days. Fluctuations in the rainfall during the course of a year may adversely affect the crops grown. If this persists for a long time it will leads to food shortage and famine.
Earthquake and eruption volcanoes are shift in the physical environment which can easily destroy any community.
I DONT KNOW THE ANSWER THATS WHY IM ASKING FOR HELP
Answer: The Taliban was overthrown
One of many results of Japan's invasion of Korea in the 1500s was "gradual opening of Japanese culture to other influences," since this ended a period of relative Japanese isolation.