At the hands of Alexander the Great is the easiest way to say it, but it took a severe decline after the rise of Christianity
Answer:
if you say that you are "Indebted to someone"for something,you mean that you are very greatful to them for somathing
Explanation:
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It was easier for goods to be transported across country
He restored a strong central government. Under the next two dynasties, the Tang and the Song, China experienced a prolonged golden age. It became the richest, most powerful, and most advanced country in the world. Wendi declared himself the first emperor of the Sui (sway) Dynasty.