What things did han dynasty standardize?

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.

What ways did native americans influence the lives of european settlers in early america ?

Explain the importance of carnegie, morgan, and rockefeller on the american political scene of the early 1900's.