<span>In the Triassic period all of North America was similar to the Indonesian archipelago. After the heavy snow in the last mini-ice age the receding snows left huge craters resulting in the popular Great Lakes. Thus, altering the topography of the planet. </span>
In the 15th century, Europe sought to expand trade routes to find new sources of wealth and bring Christianity to the East and any newly found lands. This European Age of Discovery saw the rise of colonial empires on a global scale, building a commercial network that connected Europe, Asia, Africa, and the New World.
<span>The correct answer is the astenosphere. It's part of the earth's crust that's just below the lithosphere and it's really susceptible to plastic flow because the resistance to it is very low. This is where scientists believe that convection occurs in the mantle. It's a very weak and easily deformed piece of the crust.</span>