Which statement best explains the importance of examining multiple perspectives about an event? It reinforces a specific opinion about the event.
It determines which accounts are biased about the event.
It provides different and sometimes opposing viewpoints about an event.
It requires the use of both primary and secondary sources to learn about the event.

d

explanation:

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

on my last question