Related Clues:

• Getting the job done
• In the act
• Making more guns and less butter?
• In battle
• Violently engaged
• Working busily
• Fighting big-time
• Busting one's hump
• Engaged in a 38-Down
• Clashing big-time
• Attacking the job
• Have ___
• Going full tilt
• Unable to agree
• Like Russia and Japan, for most of 1904-'05