I don't know what this has to do with the language German, but I'll answer it anyways.
The Trail of Tears was considered shameful because it violated American ideals,
American laws, American Treaties, and was a violation of the humanity, rights, and dignity of the Cherokee Nation.
Answer:
it depends what you have to say but those mean WHICH and COMBINE
Explanation:
here’s a sentence:
Sie kombinierten das Essen nicht in der richtigen Reihenfolge des Rezepts, was es seltsam schmecken ließ.
that means “They didn't combine the food in the correct order of the recipe which made it taste strange.”