was forced to declare war on meaning in English

对…宣战

As adolf hitler and nazism showed off their aggressive momentum in europe , chamberlain , the prime minister , found his policy of appeasement of german aggression was no longer tenable , and was forced to declare war on germany on september 3 , 1939
当阿道夫希特勒及纳粹主义显示他们对欧洲的侵略意图时，首相张伯伦发现他的绥靖政策已站不住脚，只得于1939年9月3日对德宣战。
As adolf hitler and nazism showed off their aggressive momentum in europe , chamberlain , the prime minister , found his policy of appeasement of german aggression was no longer tenable , and was forced to declare war on germany on september 3 , 1939
第二次世界大战是从1939年至1945年，当阿道夫希特勒及纳粹主义显示他们对欧洲的侵略意图时，首相张伯伦发现他对德国倾略所采取的绥靖政策已站不住脚，被迫于1939年9月3日对德宣战。