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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.

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

Brainliestttme : ) how did the soviet union try to maintain control?