Final answer:
The provided materials do not firmly state that interracial marriage is necessary for coexistence between blacks and whites, instead offering a historical view of shifting attitudes toward interracial relationships. The focus is on societal evolution and the progress toward racial equality, not the necessity of interracial marriage for coexistence.
Step-by-step explanation:
The notion of whether interracial marriage is necessary for blacks and whites to coexist is a complex societal topic that is not resolved with a direct 'True' or 'False' answer. The historical context given, which discusses interracial relationships and the social dynamics between blacks and whites from the colonial period through to the civil rights movement, highlights the evolution of societal attitudes toward these unions. There is no clear consensus from the provided texts that interracial marriage is mandated for coexistence; rather, the focus is on the changing perceptions and legality of such relationships over time.
During Reconstruction and onwards, the attitudes towards interracial relationships varied, and anti-miscegenation laws enforced racial boundaries. Over time, progressive changes such as the repeal of these laws and the Civil Rights Movement have contributed to the slow acceptance of interracial relationships and a more inclusive view of American identity. Thus, the question of necessity is more related to societal attitudes and equality rather than a precondition for coexistence.