The Europeans found America and they all wanted to claim as much land as possible to extend their territories. This was also the start of the colonization era when many european powers rushed to make as many colonies in America as possible.
Hoover wanted the depression to be maintained without much regulation or intervention of the federal government since he was a Republican, and instead, he touted "Rugged Individualism." This meant that he thought the depression could be ameliorated if citizens improved industries themselves and if state and local governments set up charities and took the initiative to help society out. As a result, however, little was accomplished in solving the situation, which enabled for a leader like FDR to be elected thereafter and to implement such an ambitious and government-oriented program such as his New Deal.
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.
Women and Children would be forced to work for little-to-no money