Library.

“In Western fashion and beauty standards, the ideal female body silhouette in the 1910s was tall, slim, and elongated, and during World War I it shifted toward a more natural and practical shape.”

The claim is largely supported: early-1910s Western fashion favored a slim, elongated silhouette, and World War I pushed dress toward simpler, more practical forms. The main caveat is wording: sources clearly support “elongated” and “slim” more than “tall,” and the wartime change was gradual rather than an instant replacement of one ideal with another.

“By the end of World War I (November 1918), the National Association for the Advancement of Colored People (NAACP) had emerged as the United States' major national civil rights organization.”

Independent historical sources indicate that by World War I the NAACP had already become the principal nationwide civil-rights organization. It had a national structure, conducted national advocacy and litigation, and period histories describe the organized national movement during the war as chiefly represented by the NAACP. The exact November 1918 benchmark is somewhat more precise than the evidence, but the substance of the claim is well supported.

“The National Association for the Advancement of Colored People (NAACP) helped lay the foundation for civil rights victories in the decades after World War I.”

The historical record strongly supports this claim. Independent museum, government, library, and academic sources show that the NAACP’s post-World War I legal campaigns, anti-lynching efforts, and institution-building created important legal and organizational groundwork for later civil-rights victories. The wording is appropriately cautious because it says the NAACP helped lay a foundation, not that it was the only force involved.