I would say the topic of such a study would be paleomagnetism and perhaps its effect on plate tectonics because when the seafloor spreads at the mid-ocean ridges, magnetized stripes of rock, symmetrical on either side of the trench form and they record changes in the earth's magnetic poles at certain times so can be dated to help show the rate of spreading of the seafloor at these locations.
A.Near plate boundaries
This is accurate because as the plates move along the surface of the Earth the plates will separate causing earthquakes, this also can prove there are convergent boundaries the plates will collide causing volcanos. This is where mostly the action of plates passing, colliding, or even separating which cause movement creating mountains, earthquakes and volcanos.
Less oil means they will not have enough to supply everyone causing prices to increase with such a high demand but low amount
Answer:
It was a change because They had negative impacts such as, loss of land, enslavement in these new territories, natural resources being taken from the people, and European disease.