I believe an answer could be assimilation, as assimilation is the integration or process of people/ideas/culture into a bigger culture or society. It was one of the major results of immigration into the United States.
I hope this helps :)
A Driver's Test, if you're referring to automobiles.
Taste buds are fully formed at birth. they should take about 6 months in order to be able to handle solid food
Answer: I think it’s c
Explanation: I read and that’s what I came up with