D. Nagg and Nell are Hamms parents
Answer: The causes of the Economic Boom of the 1920s were the the mass production of consumer goods such as the Ford Model T Automobile and luxury labor saving devices and access to easy credit on installment plans.
Explanation:
The answer is C)
An intensive pronoun is used to add emphasis to the subject of the sentence.
Ex: himself, herself, themselves, ourselves .
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