Answer:
On September 3, 1939 Britain and France declare war on Germany.
Explanation:
- Britain Declares War On Germany, 1939. On September 1, 1939, German companies clustered beyond the borders of Polish and Revealed the first Blitzkrieg the world had seen.
- Blitzkrieg was the war strategy in which forces attack so swiftly on enemy basses and do not give them time to even think to restrike. this strategy was first Introduced by Nazi Germany in World war II.
