In the 1st sense, "take for granted" at the simplest level means to consider as true or real (in the sense of to anticipate correctly). In short, to accept something as true without testing or questioning it. This usage dates from around 1600.
I didn't really know what you wee asking but hope I help.
The children were forced to adopt euro-american standards which forced them to abandon their cultural heritage in favor of what was described as proper civilized behavior.
