How did the industrial revolution change economies throughout europe

How did the union blockade of the southern coast affect the confederacy? it forced the confederacy to build new railroads. it contributed to shortages of weapons and food. it encouraged europe to trade with the south. it halted all trade, leaving the south without supplies.

Is the idea of containment relevant to american foreign and policy today why or why not

Which statement best describes a contribution of the works of nicolas copernicus and galileo galilei?