How did geography affect the Inca Empire?(1 point)

1 The Inca Empire expanded from North America into South America, making it difficult to govern over long distances.
2 The Inca Empire was geographically small in size, but the height of the Andes Mountains made it difficult to govern.
3 The Inca Empire's expansion into the Amazon River basin gave them a diverse set of climates to govern.
4 The Inca Empire had to govern not just north and south across a large empire, but also vertically along the Andes Mountains.

4 The Inca Empire had to govern not just north and south across a large empire, but also vertically along the Andes Mountains.