What engineering accomplishments during the 1880s increase the population out in the west

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 are the similarities and differences between byzantine empire and kiev russia

What was a major failing of the united states government under the articles of confederation?