Answer:
a.The guns made it easier for troops to gain ground rapidly and fearlessly by crossing trenches.
Explanation:
The machine gun revolutionized combat endeavors and rapidly drove out countries with their horse-drawn carriages into submission. From its uncovered roots beginnings to the advancement of this notable weapon that is still being used today, it figured out how to practically without any assistance change the result of WWI and along these lines change the craft of war.
There were several causes that lead to the Cold War. The most important ideological conflict was that the Soviets believed in Communism and rest of the worl including United States of America disliked Communism. Soviets were against capitalism and the Americans were in favor of capitalism. The Soviets were also afraid of the nuclear bombs that United States possessed during that time and it was a grave security concern for the Soviets.
Answer: Only nineteen of seventy-five Roman emperors died of natural causes. Even for some of them, historians speculate they were actually assassinated. Some emperors died of old age, some of the diseases. Emperor Marcus Aurelius, Emperor Lucius Verus, and Emperor Claudius Gothicus died of the plague.