Based on "How we entered World War I," the detail that explains why the sinking of the Lusitania led the United States to enter World War I because there were about one hundred twenty-four passengers who died and a total of one thousand one hundred ninety-five passengers killed.
It is difficult to generalize the situation of the white population after the Civil War, as it varied across regions and social classes. The North was less affected by the Civil War, and its economy improved in the post-war years. This continued to be focused on manufacturing. The North also received a large influx of immigrants, both from the South and from Europe.
In the South, the situation was different. The war brought enormous disruption to the region, not only in economic terms, but also in terms of social identity. Therefore, the backlash against the black population was stronger, and many of the goals of the war could not be achieved during the Reconstruction period.
President Franklin Roosevelt released an executive order during WWII, in which 120,000 Japanese-Americans were forced into camps over fear of Japanese spies after the events of pearl harbor.
Two European empires were dismantled.
