Answer:
B
Explanation:
B is almost certainly true, as the Nile definitley has fertile land among the Nile river, allowing for the formations of the first civilizations, such as the Nile River civilizations, and also allowed for ambitious projects that required specializaition, such as the Pyramids
Emperor Taizu ( founder of the northern song) 960-976 Emperor Gaozong (founder of the southern song) 1127-1162 and last emperor Zhao Bing 1278-1279
A. because they had to dig terraces into the mountain side which helped a lot with farming.