Answer:
There is a large number of volcanoes in the Pacific Ocean which continuously erupts when these volcanoes erupt they cause many earthquake in Ocean . it is dangerous because it can harm and destroy many ships and areas around that volcano
Explanation:
The answer is A, Thomas Jefferson. Hope this helps.
Answer: Texas and California
Droughts is your answer because flooded their dam by destroying it and put malaria in the water which flooded.