This event is the subject of a book by H. W. Brands on the “New American Dream.” 150 Wintu people were killed during this event in the Bridge Gulch massacre. Cornelius Vanderbilt’s Accessory Transit Company began operating in Nicaragua during this event. The Fugitive Slave Act was passed following this event in exchange for its location’s admission (-5[1])to the Union. (10[1]-5[2])This event (-5[1])was caused by (-5[1])a discovery (10[1])by John Marshall on land (10[2])owned by Swiss-American businessman John Sutter. Tens of thousands of “forty-niners” (10[1])travelled to participate in this event. For 10 points, name this event in which prospectors flocked to a Western state in search (10[1])of a precious (10[1])metal. ■END■ (10[2])