Sorry i don’t understand:/
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The people in the south were farmers.
They didn't have many factories in the south.
The United States refused to join because they did not agree with Britain and Frances punishment for Germany. <span />
Starting even before 1914, the means that a European country use to build up a strong military would be recruiting men and training them, as well as increasing the budget for the military in order to purchase for their weapons. For example, some countries built or bought ships to scare the other countries and to demonstrate power.