The awnser is becasue the nations were united
Answer:
Xiongnu, Jie, Qiang and Di.
C. European countries entered into military alliances that required them to protect one another from attacks.
Movement, Region, Human-Environment Interaction, Location, Place.
Also a mnemonic that I learned today was MR HELP (weird i know) but yeah.
Answer:
i think the answer is c but i may be wrong
Explanation:
