What did the exploration of Antarctica prove to Americans

What mountain range is located near 60*n and 60*e

What were three advantages the north had in the civil war? it was fighting most battles on home ground. it had a greater number of soldiers. it had more highly skilled military leaders. it had a stronger navy. it had a better network of railroads. pick three .

The idea that government is not above the law is an example the principle of powers between state and national governments.the principle power.coining money is an example of athe concept that goverment's powers come from the people is