What should a historian remember about using secondary sources? A. It is important to confirm that the writer is not omitting
contradictory information.
B. A secondary source can by definition offer only one perspective on
an event.
C. A secondary sources analysis of an event should always remain
objective.
D. A secondary source's biases are often cleverly hidden.

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

Read the following passage. the early mill girls were of different ages. some were not over ten years old; a few were in middle life, but the majority were between the ages of sixteen and twenty-five. the very young girls were called "doffers." they "doffed," or took off, the full bobbins from the spinning frames, and replaced them with empty ones. based on the passage, early mill girls were mostly young. were mostly middle aged. were of a variety of ages. were mostly children.

Why was the tea tax seen as a reprehensible to the people of boston ?