Answer:
He led important campaigns and expanded his empire from Greece to Persia, Babylon, Egypt and beyond, taking advantage of local political contexts as he conquered new territory
Explanation:
The correct answer is B. Llama
Llama ancestors were found historically in North America but they went to South America throughout history, millions of years ago. By the time Europeans found llamas, there were no North American llamas anymore. All other animals mentioned here were found worldwide.
The imperial education and examination system in China is estimated to have been founded as early as the Han dynasty (206 BCE to 220 CE), and is strongly based on meritocratic ideals that persist in Chinese education to this day.
Probably rivers and water sources, because you need water to farm, and the water by rivers is rich and the soil is good. So yea the rivers and other water sources would be the main thing.