Alfred Thayer Mahan’s Influence of Sea Power (1890)

The conditions which now constitute the political situation of the United States, relatively to the world at large, are fundamentally different from those that obtained at the beginning of the century. It is not a mere question of greater growth, of bigger size. It is not only that we are larger, stronger, have, as it were, reached our majority, and are able to go out into the world. That alone would be a difference of degree, not of kind. The great difference between the past and the present is that we then, as regards close contact with the power of the chief nations of the world, were really in a state of political isolation which no longer exists.
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Like each man and woman, no state lives to itself alone, in a political seclusion resembling the physical isolation which so long was the ideal of China and Japan. All, whether they will or no, are members of a community, larger or smaller; and more and more those of the European family to which we racially belong are touching each other throughout the world, with consequent friction of varying degree. That the greater rapidity of communication afforded by steam has wrought, in the influence of sea power over the face of the globe, an extension that is multiplying the points of contact and emphasizing the importance of navies, is a fact. . . . clash of arms, are even under that condition drawing nearer to ourselves. Coincidently with our own extension to the Pacific Ocean, which for so long had a good international claim to its name, that sea has become more and more the scene of political development, of commercial activities and rivalries, in which all the great powers, ourselves included, have a share. Through these causes Central and Caribbean America, now intrinsically unimportant, are brought in turn into great prominence, as constituting the gateway between the Atlantic and Pacific when the Isthmian canal shall have been made, and as guarding the approaches to it. The appearance of Japan as a strong ambitious state, resting on solid political and military foundations, but which scarcely has reached yet a condition of equilibrium in international standing, has fairly startled the world; and it is a striking illustration of the somewhat sudden nearness and unforeseen relations into which modern states are brought, that the Hawaiian Islands, so interesting from the international point of view to the countries of European civilization, are occupied largely by Japanese and Chinese.

Use the excerpt to answer the question.

Alfred Thayer Mahan argues here that the United States should pursue naval expansion because

A.
the oceans can no longer protect it from other powers.

B.
the Panama Canal will flood the Atlantic with Asian ships.

C.
the wars of the future will be fought entirely at sea.

D.
the navy will serve as an outlet for its growing population.

Alfred Thayer Mahan argues here that the United States should pursue naval expansion because the influence of sea power over the face of the globe is multiplying the points of contact and emphasizing the importance of navies, as there are more and more members of a community touching each other throughout the world, with consequent friction of varying degree. The excerpt does not mention the Panama Canal flooding the Atlantic with Asian ships, wars being fought entirely at sea, or the navy serving as an outlet for the growing population. Therefore, the correct answer is A. the oceans can no longer protect it from other powers.