History · GCSE · The 20th-Century World
The Nazi-Soviet Pact, Poland and who was to blame
The Nazi-Soviet Pact, Poland and who was to blameFree2:33Heddy Score 3 of 7, below the standard
What you need to know
- Hitler became Chancellor in January 1933 and, within two months, the Enabling Act gave him dictatorial power.
- He broke the Treaty of Versailles by remilitarising the Rhineland in 1936 and taking over Austria in 1938, while Britain and France did nothing.
- At Munich in 1938, Britain and France agreed to give him the Sudetenland without asking Czechoslovakia, but he took the rest of the country six months later.
- The Nazi-Soviet Pact of August 1939 secretly divided Poland, clearing the way for the German invasion on 1 September.
- Britain and France declared war on Germany after the invasion of Poland.
In this clip
Runs 2:33, from 1:33 to 4:06 of the full video.
Heddy ScoreSeven checks every clip must pass before students see it: trusted, on the map, accurate, focused, accessible, safe, and proven by students.3/7, Below the standard
See the seven stars
- Trusted source · passed. The creator's own upload, live and playable here.
- On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
- Spec-true · not judged yet. Accurate, and right for the current UK specification.
- Focused · passed. One idea, short enough to watch in one go.
- Accessible · passed. Good captions, clear sound and pictures.
- Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
- Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
Our students
Not enough students yet
Our own students' answers. These are what move ★7 Proven.On YouTube
How the Heddy Score works2.08M views · 9.73K likes · Unknown Frequencies 90K subscribers
As reported by YouTube on 2026-11-02. Not part of the Heddy Score.Why we picked it
A brisk, map-led run through the steps from Hitler's rise to the invasion of Poland that makes appeasement easy to follow.
Unknown Frequencies on YouTubechecked 2026-10-22
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