France entered World War I when, after mobilizing on 1 August, its government declared war on Austria-Hungary on 11 August 1914. ... France had had a military alliance with Russia since 1894, designed primarily to neutralize the German threat to both countries. Germany had a military alliance with Austria-Hungary. The short-term French reaction after 1871 was Revanchism: a sense of bitterness, hatred and demand for revenge against Germany, and demand for the return of the two lost provinces. Paintings that emphasized the humiliation of the defeat came in high demand, such as those by Alphonse de Neuville.
The Charter of the United Nations created an international organization devoted to protecting human rights and diplomacy around the world. The Geneva Conventions helped to establish international law and norms related to war and other interactions of states in conflict.
Answer:
It means that being friendly towards oppressors will not have you get your rights. You cannot sit and wait for people to give you or others equal rights. The only proper way to get them to stop is by force, to hit them where it hurts. You could add the protests/BLM movement in as an example, the fact that policemen who kill innocent Black men and women typically walk free or get a slap on the wrist unless people demand justice.
The quote was made by civil rights activist Thurgood Marshall, the first Black man who served at the Supreme Court.