They wanted to expand their borders.
Answer:
Uhh hello? We never read that lesson so don't expect us to be demigods to figure out what you're talking about. Either post with the textbook or I don't think anyone in this world can answer these child level questions.
Answer:i think its the last one
Explanation:For their city to endure, the Inca had to find a way to keep it from sliding down the mountain. Perhaps the most visually striking features of the drainage system are the agricultural terraces. Machu Picchu includes 4.9 ha of agricultural terraces, which are held in place by stone retaining walls.
He is going to build a wall to immigrants out.