Answer:
The Machine Gun
Explanation:
There was a significant technological advances during WWI and The machine gun was the most effective during the war. The United States created it and Germans recognized it and was ready to use it.
Nationalism is the idea that members of a nation have primary duty, responsibility, and loyalty to their own nation.
Answer:
(D) United Kingdom
Explanation: Pls mark brainliest
Que sin el peso de la materia es el alma mucho más bella.
Because they didn't like that slaves where doing it and they didn't like how the conditions where