Antonyms for the phrase "brought pressure to bear upon" could include "released from pressure," "eased tension," or "granted freedom." These antonyms suggest a sense of relaxation or release instead of applying pressure or force. Another antonym could be "encouraged," as this suggests positive reinforcement as opposed to exerting pressure. Additionally, "negotiated" or "compromised" could also serve as antonyms, emphasizing a peaceful resolution of conflict without resorting to pressure or force. Regardless of the specific antonym used, it would convey a sense of easing tension or promoting cooperation instead of applying force or pressure.