It was sandy Pennsylvania had good Indian relations and a royal colony is governed by a crown
I think the answer is Urban Sprawl, because when that happens, trees are cut down to make room for cities/towns, and when trees are cut down there is less of a chance for wildfires.
Answer:
Trade along the silk road.
Explanation:
Because the silk road spread for a very long distance it united people through trade and technological advancement came faster than ever.