The advantages that Britain had against America during the American War for Independence was they had a well trained army and had access to funds to recruit foreign soldiers. The correct answer is B.
If by Christian Church you mean Catholic Church(as their was and is the Eastern Orthodox, which historically didn't get along well with Catholics) then the Reformation.
Generally speaking, the impact of the Commercial Revolution could be most felt in that "<span>B. There was a trade-related impact; the increase of global trade had an enormous effect on the Old and New World", although of course social life was greatly impacted as well.</span>