air power, n.All

Air power (n.) arrived ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠just in time for empire: a cheap way to control civilians, which is why Britain fought off every attempt to ban bombing them.