The railroad system was important for imports and exports out west. Another main reason is for the transportation.
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Answer:
The powers and limitations of the judicial branch are mainly found in Article III in the Constitution, but their powers can also be found in a couple lines of Article VI. Here, the Supreme Court Justices can inspect the cases most important to America
Answer:
Usually the central bank.
The answer is D.
A war in Mexico would fall under northern command. Northern commands was created by secretary of defense Rumsfeld in respond to war on terrorism and national security. It covers Canada, the United States of America, and Mexico.
There would be unlikely that Mexico would pick a war againts U.S.A though