have control of something:

listen to the pronunciation of have control of something:
English - Turkish

Definition of have control of something: in English Turkish dictionary

hold the key
(deyim) Bir şeyin kontrolünü elinde tutmak
English - English
(deyim) hold the key

Because the two main parties have won almost the same number of votes, the minority group holds the key to the result.

have control of
be in charge of, have mastery over, be responsible for, rule, govern, manage
have control of something:
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