Which product was introduced during the second industrial revolution: a. spinning jenny b. microscope c. steel plow d. electric street car

D. Electric street car

Explanation:

The electric street car, also known as tolley was a product that was introduced during the Second Industrial Revolution, the street car was already being used in many cities of the world, but it was being used first with horses pulling it, then they had a steam engine working on it, it wasn´t until lathe 19th century that the first electric street cars were invented and installed.

true

coz they had the rank system in society according to the economic power of the people

c. it required that townships set aside land for public schools.