In 1873, San Francisco introduced the cable car system. This mode of transportation was invented by Andrew Smith Hallidie. He was inspired to build this system as a result of a bad accident. A street carriage slid backwards, killing the horses pulling it. He was shocked and decided to do something about it by designing a different form of transportation that would prevent something like that from happening again.
Answer:
Every major advance in agriculture has allowed global population to increase. Early farmers could settle down to a steady food supply. Irrigation, the ability to clear large swaths of land for farming efficiently, and the development of farm machines powered by fossil fuels allowed people to grow more food and transport it to where it was needed.
The person above me got the correct answer. it is 9
If you are talking about ancient Greece they didn't really have states it was more of little countries in a country but i guess Athens or Sparta if you're talking about now well then buddy i don't know. SORRY i hoped some what. Wait i think Crete is one but i don't know
