Answer:
Indoor Plumbing: Cleaner indoor places, more filtration.
Toilets: Efficient uses of using the bathroom.
Toilet Paper: Hygienic to use after using the bathroom.
Electricity: Able to use a stove, tv, phone, etc.
Cars: Transportation to everyday lifestyle; work, stores, etc.
Trains: Transportation for people.
Radio: Entertainment for people, as well as informational.
Steam Engine: Helps move road vehicles.
Dynamite: Used to make weapons for war.
Cameras: Able to capture memories.