What universal themes does josephine baker explore in her speech? what makes these themes universal?

In the speech of Josephine Baker, she explores the following themes and these are: longing for equality, chase of freedom, and the strong point of numbers. She speaks of when she ran away to another country so that she can know what does it feels like to be treated similarly and to discover happiness and achievement. The line in her speech for evidence is: “So over there, far away, I was happy, and because I was happy I had some success, and you know that too.”