What does 2 Kings 24:1 mean?

During Jehoiakim’s rule, Nebuchadnezzar, king of Babylon, invaded. Jehoiakim served him for three years, but then rebelled. 2 Kings 24:1 - Modern Text Bible

(Babylon became the new superpower, and Judah was forced to submit. Jehoiakim tried to break free after a few years.)