Here are some of the weapons first used in WWI. Airplanes, Derigables, poison gas, flamethrower, and tanks. Other weapons that were invented before the war but not used on a wide scale or were not reliable until WWI were the machine gun, submarines, torpedoes, small mortars and very large caliber artillery. WWI also saw the use of the radio for the first time in combat conditions.
The sentence from the autobiography that best demonstrates Douglass's main idea that slavery is dehumanizing would be "<span>He [master] was a cruel man, hardened by a long life of slaveholding," since this shows both the short and long-term changes. </span>
The Supreme Court and the State Courts
Answer:
The two superpowers involved in the Cold War are United States and the Soviet Union.
Explanation:
The explanation is that's history.