When you examine the reliability of a secondary source you need a. compare it with another account to determine accuracy
b. identify the bais of an author
c. look for the documentation of the sources used
d. all of the above

In free the children why does the author provide a first-hand account of visiting a brick kiln? to emphasize how factory conditions have improvedto show a group of people wno iqbal escapeto emphasize the homic conditions of debt slaveryto show the place where iqbal was forced to work