Use the word COVENANT to explain why the Jews thought they were the chosen people:

The Jews believed that God chose them to represent Him in the world.

Explanation:

According to the Jewish belief based on the Torah's holy book, they were chosen as the first people to represent God in this world. In return, according to belief, the Jews will get a representative on earth, that is, the Messiah and the country in which they will live. According to the Jewish belief, a Jew can only have Israeli nationality. Still, he must also follow certain religious defiances, so they believe that they are chosen and special people. According to this belief, it is not possible to become a Jew because a Jew is born. All of the above is part of a covenant that the Jews are believed to have made with God.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )