The correct answer to this open question is the following.
We do not have any context or references for the topics you study in class. So we can only comment on general terms.
The insights you can gain from the anthropology class are the following. Through anthropology, you can learn about past civilizations, where these were located, why they settled in those places, what kind of life they lived, their culture, important archeological sites, customs, traditions, wars, and why they disappeared.
The insights you can gain from the sociology class are how people gather in social groups, how people develop their own customs, culture, and tradition that establish and identity, the way these members of the group establish relationships with other members in the same society.
Regarding political science, through this class we can learn about the way US politics are run, the electoral system, the formation of the federal government, the history of US politics since colonial America, the Revolutionary War of Independence, the Articles of Confederation, the Constitutional Convention, and why and how the actual federal and states governments were formed.