Pros and cons of america becoming a world power. what are the pros and cons of america being an interventionist nation and entering conflicts like world war i and world war ii?

How was classical persia's extensive network of roads important to its civilization?

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.

Are there any english colleges in south korea for americans that is international ?