Not sure what you mean but, numerous things can use the same resource at one time. Things such as: water.
Gravity always causes the rocks and soil to settle just a little farther downslope than from where they started. This is the slow movement that defines creep, where the slope is unstable all the time and the process is continuous. But other times, triggering events can arise that cause a sudden instability in a slope.
The chief of the Wampanoag tribe was Massasoit. He offered friendship to the English and soon signed a peace treaty with them that stated that the Pilgrims and English had to stay affiliated and keep mutual defense if either one were attacked.