In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
Q: What was confusing to indigenous people?, Context: Treaties formed an important part of European colonization and, in many parts of the world, Europeans attempted to legitimize their sovereignty by signing treaties with indigenous peoples. In most cases these treaties were in extremely disadvantageous terms to the native people, who often did not appreciate the implications of what they were signing.
A:
treaties