It's fine to not know everything, there are lots of thing I know nothing about.
When I don't know anything about a topic, I have found Wikipedia to become a great starting point to become less ignorant.
How France after having been a "laissez-faire" country (the fucking word is in French!) became the country it is today
https://fr.wikipedia.org/wiki/Programme_du_Conseil_national_...
How Clement Atlee transformed the UK
https://en.wikipedia.org/wiki/Clement_Attlee
https://en.wikipedia.org/wiki/Attlee_ministry
Why the US has for foreigners terribly obvious blind spots
https://en.wikipedia.org/wiki/American_civil_religion
Labor history of the United States
https://en.wikipedia.org/wiki/Labor_history_of_the_United_St...
History of antisemitism in Europe
https://en.wikipedia.org/wiki/History_of_antisemitism
History of racism in the United States of America
https://en.wikipedia.org/wiki/Racism_in_the_United_States
Thomas Jefferson and Sally Hemings
https://en.wikipedia.org/wiki/Sally_Hemings
Yes I'm pretty sure you are incomfortable with the topic at hand if you see absolutely no point in my "incoherent rambling"