Answer:
Attending school is an important duty because going to school as a kid and getting an education. Those kids will soon be running the country and will need to have had the education to make proper choices about how to run the United States.
Han in the Xiongnu were several of the battles from "133 BC to 89 AD". During the reign of the WU emperor where the Han Chinese won over the Xiongnu, before these battles the Xiongnu were a nomadic group that reigned in modern Mongolia.
During these battles political instability was generated, producing that the state of Xiongnu was divided in 2 parts and had crisis of successions, having massive revelations between its towns the Wusun, Wuhuan and Dingling.
In 60 BC Han China established the protectorate in the western regions beginning the decline of the Xiongnu reign.
I hope it helps you
Answer:
because in the course of the 3rd century Romen was beset by crises. I pretty sure that is right hope this helps
3. They invaded countries to create empires.