Answer:
D. Incentive
<u>Incentive </u> refers to the cost that motivates an economic decision.
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The Roman Empire officially collapsed at 476 C.E.
Answer: triggered the first 'Great Depression' in the United States and abroad.
Explanation:
<span>World
War I (First World War or Great War o WWI) started on July 28, 1914 and ended
on November 11, 1918, was a war focused in Europe. The war divided two nations:
the Allies consisting of Russian Empire, France, Italy, Japan and United
Kingdom or British Empire against the Central powers consisting of Germany,
Ottoman Empire and Austria-Hungary. The war, introducing new military
technology weapons, had killed an estimation of nine million soldiers in
annihilation, bloodshed and massacre.</span>
