If we’re talking about US history, this page would be in reference to Europeans arriving in the 1600s. By that time, the population of North America had been dramatically reduced by foreign disease. For the comparatively small number of foreigners showing up, there kind of already was “room” because of that.
Later on, when the US government was actively relocating people, different groups of people responded in different ways. Some decided it would be best to cooperate. Some decided it would be best to stand their ground and fight. None did these things because they freely “agreed” to.
A bit more:
If we’re talking about US history, this page would be in reference to Europeans arriving in the 1600s. By that time, the population of North America had been dramatically reduced by foreign disease. For the comparatively small number of foreigners showing up, there kind of already was “room” because of that.
Later on, when the US government was actively relocating people, different groups of people responded in different ways. Some decided it would be best to cooperate. Some decided it would be best to stand their ground and fight. None did these things because they freely “agreed” to.
Based on the map and the use of “First Nations,” this is a Canadian textbook. I have no doubt this happens (and worse) in American textbooks, though.