This is the 5611th most frequent Russian word.
потребовалось
"Потребовалось" means "was required" or "was needed."
In this sentence, 'потребовалось' denotes the amount of time needed to complete the specified task, emphasizing duration.
Для ремонта автомобиля потребовалось два дня.
The car repair took two days.
Here, 'потребовалось' illustrates personal need or requirement for time to achieve understanding.
Мне потребовалось время, чтобы понять проблему.
I needed time to understand the problem.
In this instance, 'потребовалось' conveys the necessity or requirement to perform an action following an event.