Which statement best explains how surrealism related to world war 1

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.

Yo i need a catchy title for an article about the importance of the fourth amendment

What is the difference between an independent and a dependent variable?