Answer: War
Explanation: War was one factor in the decline of Rome.
Answer:
the use of poison gas and machine guns
Explanation:
Aerial attacks weren't really a thing, unrestricted submarine warfare was a reason why the US joined the war but not a factor in high casualty rates, and blimps using direct artillery fire isnt as practical as machine guns and poison gas
<span>Four clear options emerged for the freedmen and women after the war: obtain land, move, work for former masters, or sharecrop. Some freedmen were able to obtain their own personal land to work to support themselves and their families. Others opted to move to the cities and the North to find work that was not agrarian based. Directly after the war, plantation owners established a contract labor system that employed their former slaves</span>
Opec began an oil embargo of the united states
