question: What did the European powers need to make their claim over these areas legitimate ?
answer: These claims did not have to have any substantial land holdings or treaties to be legitimate .
turker_answer: The European powers did not have to have any substantial land holdings or treaties to be make their claim over these areas legitimate .
rule-based: The European powers needed to make these claims did not have to have any substantial land holdings or treaties to be legitimate their claim over these areas legitimate .