The answer is that the states had power to enforce national laws. The Articles of Confederation didn't have an executive branch established.
The Patriot victory at Saratoga<span> is often seen as the </span>turning point in the war<span>. Not only did it renew the morale of the American public, but it convinced potential foreign partners, such as France, that American could win the </span>war<span>, and that it might be in their best interests to send aid.</span>
All but the first one as Germany took all the blame through the war guilt clause (article 231)