The answer is conformity. This is a kind of social impact including an adjustment in conviction or conduct keeping in mind the end goal to fit in with a gathering. This change is because of genuine (including the physical nearness of others) or envisioned (including the weight of social standards/desires) group pressure.
The attitude of Jill is an example of conformity as he wanted to go with the opinion of other class students so that he can be the part of others interest and do not look alike a odd one out among them. Conformity is the act of matching attitudes, beliefs, and behaviors to group norms or politics. Norms can be categorized as the specific rules or beliefs shared by a group of individuals that tell their interests to others.
People generally choose to go with the decision of society/others rather than to follow their personal decision because it is often easier to follow or be a part of someone’s decision that already created. In other words sometimes they don’t want to separate themselves from others.
A is not right it didn't end any colonialism, C is wrong because there are leaders in a government system, D is also wrong because its not the Emancipation Proclamation that freed all slaves in the south and in the north.
