Lost most of their lands in Georgia & Alabama, is the right answer.
The Creek War was a territorial war between struggling Creek bands, European imperialism and the U.S, that took place in the area what is known today as Alabama. The primary struggles of the war were fought between the state army and the "Red Stick" Creeks. However, the Treaty of Fort Jackson that put an end to the war, made the Creek confederacy to abandon more than 21 million acreages in what is presently southern Georgia and central Alabama.
Ontario is the modern – day Upper Canada. Upper Canada was
established by the Kingdom of Great Britain and included in the British Canada.
This was established for the purpose of governing central lands of North
America owned by the British, and accommodating American refugees after the
American revolution.