In his book, The Influence of Sea Power Upon History, naval historian Alfred T. Mahan recommended that the US
A. Abandon isolationist policies and join global trade organizations.

B. Draft a large army and fortify port cities to protect the nation from
imperial aggression.

C. Strengthen the Monroe Doctrine by signing an alliance treaty with Brazil,
Argentina, and Chile.

D. Construct a modern steel navy, build a Middle American canal, and
acquire refueling stations where necessary.

the andes or andean mountains (spanish: cordillera de los andes) are the longest continental mountain range in the world, forming a continuous highland along the western edge of south america. this range is about 7,000 km (4,300 mi) long, about 200 to 700 km (120 to 430 mi) wide (widest between 18° south and 20° south latitude), and of an average height of about 4,000 m (13,000 ft). the andes extend from north to south through seven south american countries: venezuela, colombia, ecuador, peru, bolivia, chile and argentina.

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some american cities felt workers were being oppressed by business monopolies

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.