It is a strong thesis statement because it’s not summarizing your essay, but it’s introducing to main topic which are happening in your paragraphs.
People make many sacrifices every day, mosa sacrifices are from everyday people you see in the streets, you never know if someone’s coming back from the hospital after having a relative die, and having to make a sacrifice on their will. Everybody has to make sacrifices.
Codes of Chicalry is a code of conduct associated with the medieval institution of knighthood.
Hope this helped :)