Why is the Middle East important to the United States? (3 reasons)

It was the site of some of the world's earliest civilizations and the birthplace of three great religions--Judaism, Christianity, and Islam. In recent times its enormous deposits of oil have made the Middle East more important than ever.

Explanation:

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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.