I believe the answer is: Famous people
Peer pressure refers to a direct influence that is initiated by people that are in close proximity with your social group. Even though famous people can influence other people in a certain way, they are tend to be in long proximity than you and cannot be categorized as peer pressure.
B overstepping its authority
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
Do the economic benefits of free trade outweigh the social costs?
Not really, and it all depends on the perspective.
From the big companies and industrial side, free trade has been a success. Free trade has allowed thousands of companies to export their goods with cero import tariffs, benefiting the income. It has allowed multinational companies to go abroad and establishing branches in different parts of the world, basically in underdeveloped nations.
Once there, they paid very low salaries, much less than what they should have paid in their former countries, That is a reason why they moved to underdeveloped countries. So cheap labor is one reason. And other these multinational companies freely exploit the many raw materials and natural resources of that underdeveloped country.
Meanwhile, free trade makes rich people and corporations richer, and poor countries and poor people continue to be as poor as they have always been. No serious progress at all,
Then he would know when they were under attack and he could let everybody know.