The two inventors that contributed to the rise of the railroad industry was Andrew Carnegie and Thomas Edison. The correct answer is A.
The result was that the Treaty of Versailles could not be passed. The Senate needed a two-thirds majority to pass the treaty, but the Republicans were vehemently opposed to passing the treaty, because they felt they needed more reservations were needed and did not like the idea that the League of Nations could declare a war without asking for a vote by the U.S. Congress. There was also significant opposition by the Irish Catholics and German Democrats who felt this was giving too much power to Britain. As a result, the treaty was never ratified, but separate agreements were signed.
The Berbers were nomads who carried goods across the desert with camel caravans.
A. To finance their growing empire.
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A time period was not provided **
The British directly taxed the colonists in 1764 (post-French and Indian War) to pay off their debt, thus raising money for Britain.
If this is asking about WW1, the war debt was blamed on germany which is what sparked WW2.