'Nations' in the Bible

I said to them, "We, after our ability, have redeemed our brothers the Jews that were sold to the nations; and would you even sell your brothers, and should they be sold to us?" Then they held their peace, and found never a word.

Also I said, "The thing that you do is not good. Ought you not to walk in the fear of our God, because of the reproach of the nations our enemies?

Moreover there were at my table, of the Jews and the rulers, one hundred fifty men, besides those who came to us from among the nations that were around us.

in which was written, "It is reported among the nations, and Gashmu says it, that you and the Jews intend to rebel. Because of that, you are building the wall. You would be their king, according to these words.

It happened, when all our enemies heard [of it], that all the nations that were about us feared, and were much cast down in their own eyes; for they perceived that this work was worked of our God.

Didn't Solomon king of Israel sin by these things? Yet among many nations was there no king like him, and he was beloved of his God, and God made him king over all Israel. Nevertheless foreign women caused even him to sin.