According to Carol Dweck, an individual displaying a growth mindset is likely to exhibit a orientation.

a bad leader      

protectionism fosters competition and keeps price regulated is not an argument in favor of protectionism.

answer; incorporation;

a family can go through many changes which would make it complex. having children can cause a change and increase the complexity. this would change the distribution of authority and management, as the older siblings will at some point be in charge of the younger ones, and discipline must be distributed when they get in trouble.