The person that got shot was Archduke Franz Ferdinand, Heir of the Austrian- Hungarian throne.
They wanted to obtain votes from states that were pro-slavery and by abolishing it they may have ruined the chances of receiving southern states votes for a declaration of independence
The US's the fear of Radicals and the Bolshevik revolution in Russia. US Police roundedup suspected foreign born radicals and had them expelled from the United States. Fed growing demands to limit immigration.
This is false, it was part of the compromise of 1850
