Answer:
Thanks but the answer is true...
After the unification of China in the beginning of the Qin Dynasty, China's First Emperor, Qin Shihuang, linked the walls of the three northern states (Qin, Zhao, and Yan).
C. killing all other heirs to his throne
He originally had co-ruled with his brother Carloman after their father's death. Then Carloman died under unexplaine circumstances and left Charlemagne as the sole ruler.
Constantine is famous for recognizing the Christian faith. He stopped a persecution of Christians and allowed this religion along other religions in the empire.
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C, the right to bear arms, is the correct answer.
The 2nd Amendment's right to bear arms is the only correct answer of the options presented.