French troops in trenches, US pro-war demonstrations and arms industry, and Russian Revolution, WWI, 1917

The video covers the stalemate of 1914, the Gallipoli campaign, strategic sea routes, and the entry of the US into WWI. It also discusses the Russian Revolution and its impact on the war. The stalemate persisted despite new countries joining the war. The Gallipoli campaign was a significant defeat for the Allies, with blame placed on Winston Churchill. The US entered the war in 1917 after German U-boats attacked American ships. Meanwhile, Russia exited the war following the Bolshevik Revolution.

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