Gustavo wants to include primary sources to support his claim about the industrial revolution
which sources should he use? check all that apply.
an essay on the industrial revolution written by a historian
a speech given by an industrial revolution-era labor organizer
an original photograph taken at an industrial revolution-era factory
a magazine article written by an expert on the industrial revolution
a textbook covering factory practices during the industrial revolution
the journal of a factory worker who worked during the industrial revolution