Which of the following is an example of a secondary source?

In the mid-1800s, how did american indians often react to the us government signing treaties with tribal chiefs to establish reservations? many american indians did not accept the treaties and resisted relocating. many american indians fought for land taken away by the dawes act. many american indians bought land in oklahoma from white settlers. many american indians accepted the treaties and relocated voluntarily.

Andreus vesalius is known for being the first scientist to provide detailed and accurate

In your local newspaper you read an editorial supporting a local building initiative that will cost the town million of dollars