S: (v) invade, occupy (march aggressively into another's territory by military force for the purposes of conquest and occupation) "Hitler invaded Poland on September 1, 1939"
S: (v) attack, assail (launch an attack or assault on; begin hostilities or start warfare with) "Hitler attacked Poland on September 1, 1939 and started World War II"; "Serbian forces assailed Bosnian towns all week"
S: (v) submarine (attack by submarine) "The Germans submarined the Allies"
S: (v) pepper, pelt (attack and bombard with or as if with missiles) "pelt the speaker with questions"
S: (v) strike, hit (make a strategic, offensive, assault against an enemy, opponent, or a target) "The Germans struck Poland on Sept. 1, 1939"; "We must strike the enemy's oil fields"; "in the fifth inning, the Giants struck, sending three runners home to win the game 5 to 2"
S: (v) blitz (attack suddenly and without warning) "Hitler blitzed Poland"
S: (v) invade, occupy (march aggressively into another's territory by military force for the purposes of conquest and occupation) "Hitler invaded Poland on September 1, 1939"