America Christopher Columbus
North America Lief Ericisson
C. Low-paid workers and their families
Answer:
Hope this helps :D
Explanation:
B. labor leader and civil rights activist.
A primary source gives us first-hand information. it states the automatic facts, and not what has been heard through a second-hand information (sencondary source). it provides information like: direct or firsthand evidence about an event, object, person, or work of art.
and examples are: eyewitness accounts, results of experiments, and statistical data
