Final answer:
William McIntosh was a Creek leader who played a significant role in the removal of the Creek people through the Treaty of Indian Springs.
Step-by-step explanation:
William McIntosh was a Creek leader who played a significant role in the removal of the Creek people. He was part of a faction that supported the removal and negotiated a treaty known as the Treaty of Indian Springs in 1825. This treaty ceded Creek lands to the US government, resulting in the removal of the Creek people from their ancestral lands.