I believe the answer is: Military success and conquest were main drivers of economic growth
through millitary campaigns, Egypt, mesopotamia, and anatolia managed to obtain large number of slaves. They use these slaves as a hard labor which reduce their overall expense since they did not need to pay them, which lead to massive growth in their economy.
Http://quizlet.com/15406139/apush-war-of-1812-and-era-of-good-feelings-vocab-flash-cards/
This website is great for it.
<span>B) the harsh reparation agreement stipulated in the Treaty of Versailles
Especially for Germany, who had to print large amounts of money, which decreased their currency worth, and led to the Great Depression
hope this helps</span>
