.gaining the support of Britain and France. is your answer
That the states could not tax the federal government.
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Answer:
New technologies aided farmers and cattlemen in places where standard fencing materials were scarce. ... Technological advances increased the speed of correspondence from months to weeks and then to minutes. Each technological advance further opened the West and helped bind the growing country together.
Explanation:
Answer: Foreign Policy; Europe
Explanation: The Monroe Doctrine basically was a U.S. Policy declared towards the Western Hemisphere (Europe) waring European nations that the U.S. would not further tolerate colonization and would also not allow European countries to interfere with their independent governements in the Americas. Countries such as Puerto Rico.