Because an autobiography is using events from a persons life which, with other peoples conformation, are facts.
The statement that best expresses the central idea is C. It is better for communities to celebrate together.
<h3>What is a Central Idea?</h3>
This refers to the main idea of a text that an author wants to convey to his readers.
Hence, we can see that from the given text, there is the narration of the emancipation of the blacks as free men.
It also shows the various obstacles they faced and how they celebrated differently; blacks and whites, and how it was better for communities to celebrate together and uphold cultural history.
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The effect of the Donner party is they stopped at a better location with grazing for cattle and shops for wagon repairs. They planned on going fort Laramie but decided to stop at fort Bernard instead which is 10 miles east of fort Laramie because they were warned that Indians were fighting ahead the grazing for cattle was poor at for Laramie and they could get wagon repairs at fort Bernard.
