How did knowing how to cut and stack stones help early Andean civilizations grow?
(1 point)
Responses
They built walls to keep out invaders.
They built walls to keep out invaders.
They built large buildings to store food.
They built large buildings to store food.
They built monuments to great leaders.
They built monuments to great leaders.
They built irrigation channels to carry water where it was needed.
1 answer
They built irrigation channels to carry water where it was needed.