Answer:
B-Its soldiers were largely untrained and undisciplined.
C-The army included many mercenaries with uncertain loyalty.
Explanation:
It is believed that the Continental Army in those days was confronted with problems related to poor warfare experience. For example, Its soldiers were largely untrained and undisciplined which lead to losses when they fought the well trained British army.
Also, their lack of organization resulted in having many mercenaries with uncertain loyalty.