How does the EU challenge state sovereignty?

Why is it useful for historians to base certain studies on the analysis of historical themes

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.

Andreus vesalius is known for being the first scientist to provide detailed and accurate