Answer:
Leapfrogging, also known as island hopping, was a military strategy employed by the Allies in the Pacific War against the Empire of Japan during World War II. The key idea is to bypass heavily fortified enemy islands instead of trying to capture every island in sequence en route to a final target.
Explanation:
Answer:
Gas Poisoning
Explanation:
World War I marked one of the biggest jumps forward for weapons of death and destruction. Many who came back were affected for the rest of their lives by the mustard gas that they were exposed to in the trenches of France.
I think that it was at the year of 1619
