Because otherwise you would half to go the bathroom outside and if people see you as their driving cars down your street they will most likely call the cops and you would get a ticket or go to jail for public nudeness.
Bathrooms,cooking,
It saves you going outside to a little shed
Check out ancient Rome or Greek plumbing history
YES
You don't need plumbing as many cave dwellers and folks in the UK and other parts of the Crown have no need for indoor plumbing as they are now becoming more Muslim majority nations they no longer have to compete as a world power and in the next generation only the truly religions will conqueror the crown.
Bathrooms,cooking,
Yes they had indoor plumbing in World War 2. Some farmers did not have it but nearly everyone in the cities in the US, US and Europe and Some Asian places had indoor plumbing. You asked the right person. My grandfather had a hardware store and plumbing business way back then.
Studies have shown there are around 2.6 billion people in the world without indoor plumbing. This is equal to nearly 40 percent of the world's population.
It saves you going outside to a little shed
I was born Mar 31. 1929. In a small town in IL. We always had indoor plumbing. The Aztec's had indoor plumbing.
yuk... no indoor toilets, no running water, very unhygienic, I wouldn't like that world.
Indoor plumbing was very important because it was much more sanitary than the originally used method. Fewer flies were attracted to the location of the restrooms making things much more germ - free.
It’s indoor plumbing
The ancient Egyptians had flush toilets. The ancient Romans had indoor plumbing.
Indoor plumbing was invented long before World War 2. According to the related link below, "The first patent for the flushing toilet was issued to Alexander Cummings in 1775." but "Until 1840, indoor plumbing could be found only in the homes of the rich and the better hotels." World War 2 did not begin until 1939.
About 2,000 years ago the Romans started using indoor plumbing.
yes they have it