Answer:
Inscribed on the ramparts of the Memorial are the names of 11,285 Canadian soldiers who were posted "missing, presumed dead" in France. The grounds are still honeycombed with wartime tunnels, closed off for public safety. A portion of the Grange Subway, originally 1,230 metres long, still exists to be viewed.
Explanation:
The Annapolis Convention delegates agreed to meet again to amend the Articles of Confederation<span>. The Annapolis delegates created the new Constitution to replace the Articles.</span>
The American attitude shifted in favor of rights for Native Americans. This is based on "Polls showed that Americans believed in rights for Native Americans". Why it's not B is because it wasn't the polling that contributed to the act, but what the polls showed which is C.