B.The Roman army grew in size and became dominant in the Mediterranean region.
I would say c is the answer
When was the Qing dynasty established? The Qing dynasty was established in 1636 by the Manchus to designate their regime in Manchuria, in what is now northeastern China. It became the imperial dynasty of all of China in 1644 after the reigning Ming dynasty called upon the Manchus for military assistance.
A girl. It’s A. Or that’s what I would have put haha