A lot of people came to the West to find gold to the point that the population rose dramatically and allowed territories to apply for statehood. Hope this can help :-D
Civil War > Roaring Twenties > Great Depression > Reconstruction
On 10 January 49 BC, leading one legion, the Legio XIII Gemina, General Julius Caesar crossed<span> the </span>Rubicon<span> River, the boundary between the Cisalpine Gaul province to the north and Italy proper to the south, a legally-proscribed action forbidden to any army-leading general.
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Separation of powers is one