World study

123456
Across
  1. 2. to bring under control
  2. 4. not fully aware; occurring below your level of thinking and awareness
  3. 5. a watercraft that stays under water
  4. 6. below the freezing point
Down
  1. 1. to put under someone else's control
  2. 2. under the skin
  3. 3. to put under water
  4. 4. a person who is under someone else in rank or importance
  5. 5. to water something from under the ground
  6. 6. a passageway under the ground; an electric underground railway