A bill must pass both houses of congress and then signed into law by the president
Legalism was the primary philosophy used within the qin dynasty
I believe it was a military campaign created in the second World War. I think the Raf (Royal Air Force) the United Kingdom's Air Force, was created to defend against the German's Air Force the Luftwaffe. It was famous because it was the first big campaign fought only by airplanes. Hope this helped:)
Galileo confirmed copernicus' theories on the universe with noting that the Earth did indeed revolve around the Sun and not the other way around as was thought at the time. With this he opposed the church dogma at the time.