The California Trail and the Santa Fe Trail are two trails, in which pioneers suffer from sun exposure and a lack of water while crossing through deserts.
The California Trail and the Santa Fe Trail
Both trails established in early half of 19th century. While the Santa Fe Trail was mainly used by Traders, The California Trail were mainly used by travellers.
Both of these trail were important in a historical sense, as it helped in the expansion of United States, and also the trade network. The long route of these trails, make pioneers suffer from sun exposure, and thrust while crossing through the deserts.
Hence, the option B is correct.
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