Do now: complete the crossword on the steps to WW2

123456
Across
  1. 2. League of ________
  2. 3. Demilitarised zone in Germany
  3. 5. Leader of Germany from 1933
Down
  1. 1. What many Germans suffered due to food shortages after WW1
  2. 4. Country that formed the European Axis alliance with Germany
  3. 6. Valley in Germany that was occupied by France in 1923