True. It was probably written two or three decades after Jesus died, and a few decades before the last gospel, the Gospel of John, was written. Mark the shortest and simplest of the four gospels, and also the one with the most miracle stories, and scholars have been able to determine that it was written first partly by analyzing the ways in which the other three gospels (Matthew, Luke, and John) borrowed information from the Gospel of Mark.
The Revolutionary War was a war fought because United States wanted it's own independence from United Kingdom.