B. Public railroads for people who had carriages.
D. Periodization. this is because none of the other options make sense; chronology is the order of events, geography is the study of geographical locations, continuity is the act or appearance of something continuing into the forseeable future.
<span>The major newspaper owned by William Randolph Hearst was the San Francisco Examiner. Hearst is remembered for using sensationalism to sell newspapers, a style which may not present facts in an objective manner but rather exaggerates details or speculates.</span>
In the 1890's, the main goal of those who supported United States imperialism was creating a market for trades and obtaining naval bases. During the period of the 1990's, the United States became a great industrial power. They needed to sell the goods manufactured in their factories. For this purpose they needed to find new market.
