Are you doing ancient China for this class?
The Nazis separated Jewish people into small, condensed communities called <u>ghettos</u>. They also gave the Jewish populace <u>Yellow patches</u> (or badges), so, they would be able to identify the Jews from the rest of the population.
When unions were first organized, union leaders were in competition with one another in order to get the most active labor members, but they soon realized that this was a failing tactic and often united into single groups.
Subject to their husbands and fathers seems to be the most fit answer :)
Robert Hooke invented the Cell