What cause did women work for in the mid 1800s

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 do historians call the political,social,or cultural circumstances surrounding an event?

Identify the reason each country wanted to go to war in the year before and during world war 1