Thomas Jefferson gave land to settlers in exchange for harvested crops, cut taxes and encouraged colonists. He also reduced the government's debt
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one of the greatest uninterrupted expanses of plain on the Earth’s surface. It sweeps from the Pyrenees Mountains on the French-Spanish border across northern Europe to the Ural Mountains in Russia. In western Europe the plain is comparatively narrow, rarely exceeding 200 miles (320 kilometres) in width, but as it stretches eastward it broadens steadily until it reaches its greatest width in western Russia, where it extends more than 2,000 miles.
While settlers traveled west along the Oregon Trail for a variety of reasons, most were motivated either by land or gold. Various land acts in Oregon provided free land to pioneers, while the start of the California Gold Rush in 1848 lured thousands more.
Answer is C. Internet is a vast field, full of information and knowledge, which are very helpful for studies and research. Some come from <em>safe sources</em> and other might need some <em>precautions</em>. When we read something that <em>seems</em> to be interesting or even truthful, but the people that wrote it don't identify themselves, it can indicate that some information is being hidden on purpose. Also, being anonymous, make people with no <em>accountability</em>.