Answer:
The Tang Dynasty (618–907) is considered to be China’s golden age. It was a rich, educated and cosmopolitan realm that was well-governed by the standards of the age and expanded its influence in Inner Asia. It saw a flourishing of Chinese poetry and innovation. Establishment of the Dynasty
it would be B,
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Constantine I was born circa 280 in Naissus, Moesia (now Niš, Serbia). His father became the Western Roman emperor in 305; after his father's death, Constantine fought to take power. He became the Western emperor in 312 and the sole Roman emperor in 324. Constantine was also the first emperor to adhere to Christianity. He issued an edict that protected Christians in the empire and converted to Christianity on his deathbed in 337.
Smooth road bc the others might enforce some type of friction on the ball cause it to go slower
