The document outlines the events leading up to the US entry into World War 2, including maintaining neutrality while providing aid to allies through Lend-Lease, tensions growing with Axis powers Germany and Japan, and an oil embargo on Japan due to its expansionism. Finally, Japan launched a surprise attack on the US naval base at Pearl Harbor on December 7th, 1941, killing over 2,400 Americans and destroying much of the Pacific fleet, prompting the US to declare war on Japan.