The answer would be
B Romans
Answer:
#4 the correct answer but forgive me if it is the wrong answer
The King of England was doing it and he was putting them on everything.
Answer: I think it's A...
Explanation:
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.