Answer:
There are conflicts between aboriginal groups.
Answer: Arctic ocean
Explanation:
The great lakes are near the U.S or the south-east of Canada, the Mackenzie river flows to the Beaufort Sea, the Beaufort sea is part of the Arctic Ocean
Answer:
Mantle convection currents, ridge push and slab pull are three of the forces that have been proposed as the main drivers of plate movement (based on What drives the plates? Pete Loader). There are a number of competing theories that attempt to explain what drives the movement of tectonic plates.
Explanation: