в связи с(U. S. President Theodore Roosevelt was expected to call an extra session of Congress on account of liquidation of stocks. • Whole stations are closed regularly at rush hour on the London Underground on account of "passenger demand" – too much of it.)
зачистка(an operation after a battle or campaign to root out remaining enemy forces or installations • Troops have been carrying out a mopping-up operation around the village where the battle took place.collinsdictionary.com)