Final answer:
The delegates agreed upon the idea of a federal union and a new country called Canada.
Step-by-step explanation:
When the conference at Charlottetown came to a close, the delegates agreed upon the idea of a federal union and a new country called Canada. They also decided to continue their discussions at the Quebec Conference, where they further developed the framework for the future country. The Charlottetown Conference played a significant role in shaping the future of Canada as it laid the foundation for the Canadian Confederation.