He adopts and practices local and mainstream cultures and also traditions. (Can I say adopt and practice?).
He has two cultures inside of him. He practices both.
What ethnic cultures and traditions do you practice ?
We can use that era of peace as a benchmark/model/example of how the world can be peaceful.
We can use that era of peace as a benchmark/model/example for how the world can be peaceful.
Did I phrase the above sentences correctly? Please advise.