Please help How did the smaller Mayan city-states defend themselves against the more powerful city-states? They traded valuable resources for protection.
They made military alliances with larger city-states.
They built walls around their cities to keep out invaders.
They avoided conflict by maintaining peaceful relationships.

i think its the outcome of people's preferences.

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.

honestly i love the walking dead, mainly the quotes. “well, pardon me young man, excuse the [insert bad word here] out of my gosh darn french, but did you just threaten me? ” sksk (of course it's not the exact words)