This is the 10511th most frequent Polish word.
decydowało
"Decydowało" means "decided" in English.
This usage of "decydowało" refers to the determining element for success in a past situation.
To, kto bierze udział, decydowało o sukcesie wydarzenia.
Who participates decided the success of the event.
In this sentence, "decydowało" is used to denote the deciding factor in a past context.
To różnorodność opinii decydowało o wyniku konkursu.
The diversity of opinions decided the outcome of the competition.
Here, "decydowało" illustrates indecision or suspension of decision-making in the past.