What Native land are you on? This map shows Indigenous tribes' past territories
npr.org
npr.org
...because they knew, as the Spanish didn't, that the new settlement was on Comanche land. By moving in, the Apache knew they were brewing a conflict between the Spanish and the Comanche. It turned out that the Comanche slaughtered all the Spanish, but if it had turned out the other way, since the Apache were frequently at war with the Comanche, that would have been a win for them also.
Which is a lesson in two things: 1) borders are important 2) borders change a lot
For example, around the time of the War of 1812 the Kickapoo were in southern Illinois, near where I grew up. This map shows them in Oklahoma, where they no doubt were/are at different times. The map should have a slider bar, for the year.
Actually, every map of Europe should have a slider bar for the year, also.