Why were military commanders and political leaders so unprepared for the long war they had to fight and for the vast destructive nature of warfare among modern industrial
nations?​

separate but equal was a legal doctrine in united states constitutional law according to which racial segregation did not violate the fourteenth amendment to the united states constitution, which guaranteed "equal protection" under the law to all people. under the doctrine, as long as the facilities provided to each race were equal, state and local governments could require that services, facilities, public accommodations, housing, medical care, education, employment, and transportation be segregated by race, which was already the case throughout the states of the former confederacy. the phrase was derived from a louisiana law of 1890, although the law actually used the phrase "equal but separate

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social status of early civilizations was based primarily on economic power.- true ( first choice)

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.