B makes the most sense because they made hardly any money at all so ya it's B.
Can I please have Brainliest? :3
This is what a pictogram looks like ok
New technologies were invented
Many people moved to the cities.
There were fewer farmers
That would be a professor it sounds cliche but that's how it is. when you go to most colleges you won't have the same teacher every single day they travel around from time to time that's why they're called professors.