Answer:
Well the electricity and the light bulb. The electricity because thanks to the invention many people were able to communicate more and it was first used for so many other inventions on the way. The light bulb it became VERY important and especially for everyday convenience since the invention around 1802..it is said that there's about 20 light bulb inventors (Thomas Edison w
communications inventions
transportation inventions
names of specific inventors or entrepreneurs
examples of consumer goods
the impact of inventions on American societyas just credited).
Step-by-step explanation: