If you didn’t have the money to buy any of those then they may as well didn’t exist. Those inventions helped no one who couldn’t spend the money to attain them.

If you didn’t have the money to buy any of those then they may as well didn’t exist. Those inventions helped no one who couldn’t spend the money to attain them. Edit: partial credit on indoor plumbing because it helped prevent disease spread to even those who didn’t have indoor plumbing.