toward the end of the tang dynasty, the government faced\nan invasion of armies from the north.\na series of…

toward the end of the tang dynasty, the government faced\nan invasion of armies from the north.\na series of rebellions in the outer areas.\na widespread plague that killed thousands.\na battle among members of the royal family.

toward the end of the tang dynasty, the government faced\nan invasion of armies from the north.\na series of rebellions in the outer areas.\na widespread plague that killed thousands.\na battle among members of the royal family.

Answer

Brief Explanations:

Towards the end of the Tang Dynasty, the government faced a series of rebellions in the outer - areas, such as the An Lushan Rebellion which severely weakened the dynasty. There was no major northern army invasion as described in the first option, no widespread plague as in the third option, and no major battle among royal family members as the main problem as in the fourth option.

Answer:

a series of rebellions in the outer areas.