What was one factor that eventually led to the demise of the Tang Dynasty? the rise to power of a female emperor the loss of political control of central Asia the expansion into northern and western Asia the revival of the civil service examination system

the loss of political control of central Asia

Explanation:

The Tang Dynasty faced several rebellions which weakened it of which one of the most prominent one was the An Lushan Rebellion which was finally crushed.

However, one factor that eventually led to the demise of the Tang Dynasty was the loss of political control of central Asia

after the french-indian war.