This is the 18476th most frequent Russian word.
явилось
"Явилось" means "appeared" or "came about."
In this sentence, "явилось" is used to indicate something that was the cause or reason for another event or action.
Это явилось причиной его решения.
This became the reason for his decision.
Here, "явилось" is employed to point out the outcome of a preceding effort or situation.
Его успех явился результатом упорного труда.
His success became the result of hard work.
In this context, "явилось" is used to describe something that emerged as a particular situation or effect.