Answer:
Factories, power plants, and utilization of coal
Explanation:
Answer:Europe
Explanation:it was the only country with a civilization then
Four main points of the Monroe Doctrine were:
(1) The United States would not interfere with the internal war relations between the European colonies
(2) The United States would not interfere with the dependent individual colonies existing
(3) Any signs of Europe trying to overtake the United States will be interpreted as a threat
(4) The Western Hemisphere will be closed to any future colonization by any other countries
