Complex sentence: Jesus travels to Jerusalem, and the opposition intensifies: he is tested by Pharisees immediately he begins to move towards the city, and when he arrives he is soon in conflict with the Temple and other religious leaders.
Split into simpler sentences: Jesus travels to Jerusalem, and the opposition intensifies: he is tested by Pharisees. Immediately he begins to move toward the city, and when he arrives he is soon in conflict with the Temple and religious leaders.