In 1846, a group of pioneers known as the donner party decided to take a shortcut through utah's wasatch mountains on their trip west. which sentence adds a supporting detail to the sentence above? a. many people traveled west during the 1800s, hoping to find land, freedom, and wealth. b. the shortcut ended up slowing the group, and they became trapped by snow in the sierra nevada mountains. c. only three years after the donner party's horrible mishap, the gold rush brought thousands to the west. d. today, movies about the donner party show the details of the tragic events that overtook them.