Complex sentence: Beaubassin was located at a site of strategic military importance, and its peace and prosperity of Beaubassin was ended by rivalry between Britain and France for the control of Canada in the mid 1700s.
Split into simpler sentences: Beaubassin was located at a site of strategic military importance. The peace and prosperity of Beaubassin was ended by rivalry between Britain and France for the control of Canada in the mid 1700s.