This is the 2229th most frequent Russian word.
довести
"To bring to, lead to, or cause to reach (a state or condition)."
In this sentence, 'довел' refers to the action of bringing someone somewhere, emphasizing the completion of reaching the destination.
Он довёл нас до дома.
He brought us to the home.
Here, 'довело' describes causing someone to reach a certain emotional state, indicating the intensity of the impact.
Её замечание довело его до слёз.
Her remark brought him to tears.
In this case, 'довести' is used to convey the successful achievement or completion of a task.