General George Marshall contribution during World war II according to the passage is he served as a chief of staff of the US Army. He also helped train US soldiers and airmen in modern warfare in their time. He also manage in the development and procurement of the weapons to helped advance the weaponry of the US Army.
E attacked cities that werent expecting it and he grew his army to great heights
It helps you better understand the orgins, or the reasons for which the author chose to make something happen, or chose the setting. There are quite a few reasons why it's important. Mostly, it allows a better understanding of why the author chose what they did for the story
"Kepler's Third Law of Planetary Motion" <span>states that the square of the orbital period of a planet is directly proportional to the cube of the semimajor axis of its orbit
Hope this helps!</span>