The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The two strengths of the Americans at the start of the war for independence were that the Patriots fought the war in their territory, so they knew it very well.
The other strength was that the Patriots were fighting for a high and personal reason: freedom. They wanted independence from the English monarchy.
The two weaknesses of the Americans at the start of the war for independence inexperienced soldiers and low pay, many colonists only enlisted for three months.
In the end, this "hunger" for independence made the Continental Army led by General George Washington to present a fierce opposition and a good fight against a much better prepared British army.