Read this entry from an oregon trail diary, and then answer the questions. in what year did abigail write this diary entry? june 29 - we came twenty miles. we struck the sweet water about two o'clock and about three came to independence rock; the sweet water is about one hundred feet in width; my sisters and i went to the base of the rock with the intention of climbing it but a we had only ascended about thirty feet when a heavy hail and wind storm arose . we then started on after the wagons and before we reached them they had all crossed the river except the last to overtake. they had intended to let us wade it (it was waist deep) to learn us not to get so far behind the team.
Why did she nearly have to wade the river?
a. It was too wide for the wagons to cross.
b. She and her sisters fell behind everyone else.
c. She did not know how to swim.