Answer:
Explain why the invention of rubber tires for bikes contributed to the rise of tourism. ... It was cheaper than using a horse - in fact there was a whole craze around using bikes. Bikes actually created the concept of better roads - for travel by bike, not cars, which were too expensive.
Rural people had farms and thus needed more workers so they just had a bunch of kids to help out. if the city they didn't need a bunch of kids.
Here are some contrubition they did to the world
Olympic games
Democracy
Hippocratic Oath
Philosophy (Aristotle, Socrates, Plato...)
Ionian, Doric and Corinthian architectural styles
Theatre styles (drama, comedy, tragedy, tragicomedy).
Literary classics (Iliad & Odyssey, myths, fables, poetry and mythology)