Pangaea questions, questions in screenshot.

While looking at a map of the current Earth, it's continents and land forms can often align, much like a puzzle. This indicates that at one point, Pangea may have been possible. Additionally, the motion of the Earth's tectonic plates supports the thoory of Pangea, as if you were to watch the motion of the Earth's tectonic plates in reverse, you would see that the motion of the pplates would draw land masses closer together.

Explanation:

Expkanation can be found above.

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the first phase of the government’s plan for settlement was building the transcontinental railroad. the railroad provided a way to bring settlers and manufactured goods west and ship their agricultural and mining produce east. the transcontinental railroad was an essential artery for rapid development of the frontier.

the second phase of the government’s plan was a liberal land distribution policy that made it possible for many people to homestead. with these two key elements—transportation and cheap land—the government rapidly achieved its goal of persuading people to move west, settle on farms, and push back the frontier.