He believed in democracy and a government ruled by the people. Even though this was his greatest moment, he didn't want to make himself a king
German U-boats sinking the Lusitania, if you're only talking about our reasons with Germany. But really we came into WWII because Imperial Japan bombed Pearl Harbor.
James Wilson Marshall was an American carpenter and sawmill operator, who reported the finding of gold at Coloma on the American River in California on January 24, 1848, the impetus for the California Gold Rush
I hope this helps