yes, he is right the answer is,
Galileo's most important scientific contributions were in the field of physics. ... Using the telescope, Galileo discovered the mountains on the moon, the spots on the sun, and four moons of Jupiter. His discoveries provided the evidence to support the theory that the earth and other planets revolved around the sun.
The flexible response was difficult to use because the troops weren't doing what their goal was since they would die in combat. No matter how many troops were sent and how well the flexible response was organized, the North Vietnamese army managed to kill them in huge numbers and it required more and more troops to be sent.
President Andrew Johnson had long wanted to dismiss the Secretary of War, Edwin M. Stanton. Stanton was the only member of Johnson's cabinet who supported the Radical Republicans' program for reconstruction. On August 12, Johnson suspended Stanton. In his place, Johnson appointed the popular General Ulysses S. Grant Secretary of War.
Congress overruled Stanton's suspension and Grant resigned his position.
Ignoring Congress, Johnson formally dismissed Stanton on February 21, 1868
Innocent until proven guilty, I believe. Hope this helped! (:
