Which research sources are examples of secondary sources? Select two options

Nhow the other half lives, jacob riis: a. wrote about captains of industry. b. highlighted the benefits of the second industrial revolution. c. provided a fictional account of life in 1890. d. discussed the lives of wealthy americans. e. focused on the wretched conditions of new york city slums.

The president has what role as the head of the armed forces 1.commander 2.general in chief 3.commander in chief 4.chief petty officer 5.joint chief

What was martin luther king, jr., referencing in the passage that brought him to lead a protest in birmingham?