complete the crossword

123456
Across
  1. 4. win a victory over the enemy in a battle
  2. 5. attack something in a violent way
Down
  1. 1. defend a place from attack, or control it using force
  2. 2. damage something so badly that it cannot be repaired
  3. 3. use weapons against an enemy
  4. 6. take possession of an area by force