<span>At the dawn of the twentieth century, America was at a crossroads. Presented with abundant opportunity, but also hindered by significant internal and external problems, the country was seeking leaders who could provide a new direction. The political climate was ripe for reform, and the stage was set for the era of the Progressive Presidents, beginning with Republican Theodore Roosevelt.</span>
<span> He set about forcing competitors to sell out to him. ( im pretty sure im correct on this)</span><span>
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Nationalism caused World War 1 . People put nationalism in their country above other countries which caused a lot of conflict