What were the failures of the Mongols’ political empire?

Which was not a reason for the fall of the han dynasty? neglected farmland civil war decline in trade peasant rebellions foreign invasions

What was a major component of reaganomics? 1. the belief that tax cuts to the wealthy would trickle down to the less fortunate. 2.the belief that providing tax cuts to lower-socioeconomic americans would boost the economy. 3.the belief that boosting home ownership would lead to americans having an investment in the economy. 4.the belief that correcting the business cycle would boost output and reduce unemployment.

Why did roosevelt support a “europe first” strategy even though it had been japan that had first attacked the united states?