

祖父は戦争の話をよくします。
戦争のない世界がいいです。
この戦争は何年に終わりましたか。
"せんそう(戦争)" is in the lesson "Middle ages" (Level 30), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.