Congress passage of a tax cut.
It represented social Darwinism, so it would be the first choice.
Answer:
<u><em>The answer is</em></u>: <u>C. strong storms that swept the roads.</u>
Explanation:
<u>Santa Fe Trail, was a famous transport route</u> of the nineteenth century that ran through the center of North America, connecting the cities of Independence and Santa Fe <u>along some 1400 km of arid meadows, deserts and mountains.
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Travelers faced many difficulties along the Camino de Santa Fe.
<u>Weather conditions, like the big storms, made the trip even more difficult</u>; if a storm formed, there was often no place to take refuge and livestock could be sued.
<u><em>The answer is</em></u>: <u>C. strong storms that swept the roads.</u>
