<span>building a large army and expanding Egyptian territory</span>
Answer:
Segregation, by supporting the idea of "separate but equal"
Explanation:
Plessy v. Ferguson, 163 U.S. 537 (1896), was a landmark decision of the U.S. Supreme Court that upheld the constitutionality of racial segregation laws for public facilities as long as the segregated facilities were equal in quality – a doctrine that came to be known as "separate but equal".
Just going off what i learned from Age of Empires... The Bronze Age