To provide defense against these sporadic attacks, the early settlers erected a series of forts in the area. Wood's Fort guarded the Forks-of-the-River just downstream from Newport, and McCoy's Fort and Whitson's Fort defended the area to the south.
The Solar System formed 4.6 billion years ago from the gravitational collapse of a giant interstellar molecular cloud. The vast majority of the system's mass is in the Sun, with most of the remaining mass contained in Jupiter.
Irrigation Systems, Ancient. Humans are newcomers to Earth, even though their achievements have been enormous. It was only during the Holocene epoch (10,000 years ago) that the development of agriculture occurred, keeping in mind that the Earth and solar system are 4.6 billion years old.