What impact did new inventions such as the icebox electric lights in the photograph have on the lives of growing middle-class In the late 1800s

People found life more convenient, as these inventions gave them more opportunities and freedoms is your correct answer.

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paul maurice zoll (july 15, 1911 – january 5, 1999) was a jewish american cardiologist and one of the pioneers in the development of the artificial cardiac pacemaker and cardiac defibrillator. he graduated from boston latin school in 1928.