There are no answer choices, but you don't need to know the author/publishers birthdate or favorite where they live. Just when they did it, who published it, the year they published, etc.
French Indochina<span> was formed on 17 October 1887 from Annam, Tonkin, Cochinchina (which together form modern </span>Vietnam<span>) and the Kingdom of </span>Cambodia<span>; Laos was added after the Franco-Siamese War in 1893.</span>
<em><u>Answer:</u></em>
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<em><u>Explanation:</u></em>
<em><u>This protective tariff helped American industry by raising the prices of British manufactured goods, which were often cheaper and of higher quality than those produced in the U.S. This raised prices for Southern consumers and caused John Calhoun to oppose the tariff.</u></em>
The best and most correct answer among the choices provided by your question is the second choice which is "railroad tracks."
<span>By 1860 the Midwest and the East were united by a network of railroad tracks.</span>
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