D because of the number one thing
Answer:
New York City
Throughout the 20th century – but particularly after World War II – New York City rose in stature as a fashion capital, challenging the dominance of Paris with a different approach, especially in its development and popularization of sportswear as fashion during the 1940s and '50s.
It was a time of social activism and political reform in the US that was between 1890 and the 1920s.
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