Answer:
Correct answer is:
B) The American win at Saratoga ended the stalemate in the North.
Step-by-step explanation:
B is correct because after the battle of Saratoga British army was in problem and they had to move to the South where they had support of Loyalist. After this battle France entered the war.
A is not correct as French support was not as important as other reasons.
C is not correct as there were also a lot of Patriots in the South.
D is not correct as North even was more important than the South when it comes to resources.