This is the 5374th most frequent Polish word.
sprawiły
"Sprawiły" means "caused" or "made" in English.
This usage of 'sprawiły' also means 'made' or 'brought about', referring to the effect the children's ideas had on the day.
Pomysły dzieci sprawiły, że dzień stał się ciekawszy.
The children's ideas made the day more interesting.
In this sentence, 'sprawiły' means 'made' or 'caused', implying an action or event leading to a feeling of happiness.
Sprawiły, że poczułem się szczęśliwy.
They made me feel happy.
Here, 'sprawiły' signifies 'caused', showing an effect or consequence of the changes.