Answer:
The two sentences that best explain the central ideas of the passage are:
1. Jane Addams worked to provide for the poor through the establishment of the Hull House in Chicago.
2. Jane Addams believed that justice was achieved through the work of individuals and the government.
These sentences convey the central ideas of the passage, which are about Jane Addams' work to help the poor and her belief in the importance of both individual and government action in achieving justice.