<em>The correct answer of question 23 is B.</em> The United States sent a fleet of modern naval warships that intimidated the japanese.
The United States sent a fleet of 4 ships of modern technology for the time (Mississippi, Plymouth, Saratoga, and Susquehanna), which arrived in 1853 at the Port of Uraga, Japan, under the command of the American Commodore Matthew Perry.
In particular, the Japanese were amazed by the technology incorporated the steamers and this pressed for Japan to sign a treaty that would allow Americans to trade with Japanese. Then followed a series of treaties that expanded diplomatic and trade relations between the two countries.
<em>The correct answer of question 25 is A.</em> The islands were useful ports for merchant and war ships.
Before the Industrial Revolution the European Powers colonized islands of the Pacific Ocean to establish strategic ports there as a base of operations for their merchant and military fleets.
From the middle of the 19th century on the one hand, coal storage bases and telegraph anchoring points were incorporated, and on the other hand, large whaling ships and slave recruiting merchants began to appear in the area massively for work on the plantations.
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The correct answer of question 26 is D.</em> Pressure from sugar growers.
The United States had been sending many missionary families to the Hawaiian Islands since 1838. They established schools, modern medical care and developed the first plantations of pineapple and sugarcane.
At the end of the century the descendants of these families controlled large sugarcane plantations and sent it to the United States. In 1898 the United States annexed the State of Hawaii to be able to buy sugar without customs duties.
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The correct answer of question 27 is D.</em> Latin America.
The Monroe Doctrine, synthesized in the phrase "America for the Americans," was presented by President James Monroe during his sixth speech to Congress on the State of the Union in 1823.
The same established that before any attack that a European power supplied on countries of the American continent the United States would support the Latin American countries attacked, marking in this way a clear position against the European colonization.
