In fact, this was accepted as the most accurate measurement of the speed of light for the next forty years, at which point Michelson measured it again. The next lecture is on the Michelson-Morley experiment to detect the aether.
The United States declared war on Germany on April 6, 1917. There was two major reasons. First off, the German U-Boats sank 3 passenger ships carrying US civilians and citizens.
A research paper describing the events, and the possible reasons, as to why Adolf Hitler declared war against the United State of America on December 10, 1941 during World War II. Why did Herr Adolf Hitler Declare War on the United States of America?