Which can historians decide if a source is reliable?
determining how many people agree with the source
determining the amount of information within a book
determining the author's point of view on the subject
determining how many people know about the source .

executive, (president and about 5,000,000 workers) legislative (senate and house of representatives) and judicial (supreme court and lower courts)

explanation:

d.

many people believed they were convicted solely because they were anarchists.

all

explanation:

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.