Answer: 1. The building of the transcontinental railroad opened up the American West to more rapid development. The railroad also facilitated westward expansion, escalating conflicts between Native American tribes and settlers who now had easier access to new territories
2. The Sherman Antitrust Act—proposed in 1890 by Senator John Sherman from Ohio—was the first measure passed by the U.S. Congress to prohibit trusts, monopolies, and cartels. The Sherman Act also outlawed contracts, conspiracies, and other business practices that restrained trade and created monopolies within industries.
3. could form a union to deal with a particular problem. The first workers' strikes in the United States occurred in 1786 because workers were angry over the use of new machinery that was dangerous or that eliminated some jobs. Industrialization grew slowly before the Civil War and so did unions.
4. The tactics available to the union include striking, picketing, and boycotting. When they go on strike, workers walk away from their jobs and refuse to return until the issue at hand has been resolved.
5. The philosophy drove 19th-century U.S. territorial expansion and was used to justify the forced removal of Native Americans and other groups from their homes. The rapid expansion of the United States intensified the issue of slavery as new states were added to the Union, leading to the outbreak of the Civil War.
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