Bjorklund notes that bring "detribalization, perhaps part of a deeper shift in personality or meaning systems toward a more individualistic view."

I believe the answer is: Middle adulthood

Middle adulthood refers to the age group between 40-65 years old. At this period, most people already accumulated enough knowledge and experiences to be able to form their personal view. (prior to this age, we tend to let people with authorities toward us to influence the majority of our principles)

Apresident can veto /reject a bill

True. r u cheating on a test. bro not cool.