Monroe doctrine was the thing that blocked other nations from coming into americas. It was enforced by the british military who were the strongest at time.
Many nations accepted this out of fear of their military.
Answer: I think 3million.
Explanation:
Due to its energy consumption, desalinating sea water is generally more costly than fresh water from surface water or groundwater, water recycling and water conservation. However, these alternatives are not always available and depletion of reserves is a critical problem worldwide.[5][6] Desalination processes are usually driven by either thermal (in the case of distillation) or electrical (in the case of reverse osmosis) as the primary energy types.
Explanation:
Americans who advocated annexation evinced a variety of motivations: desire for commercial opportunities in Asia, concern that the Filipinos were incapable of self-rule, and fear that if the United States did not take control of the islands, another power (such as Germany or Japan) might do so.
World war three is the answer