arms trade, n.All

The Arms trade (n.) manufactures ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠its own danger: sell upgraded fighters to dictators, then build a new fighter to defend against what you sold.