The population of the area has decreased radically.
decrement, diminish, fall, lessen, reduction, drop, decline, downtrend
کاهش دادن، کاهش یافتن
( Test )
Even if he were victorious in the duel, and both did not die, yet the noise of the firearms would greatly ________ his chances of escape.
Source: Rupert of Hentzau
Fill in the blank.