What type of beliefs in these world religions would have helped people get along better?

Many world religions promote core beliefs that encourage compassion, empathy, and understanding among individuals. For example, teachings like the Golden Rule—found in Christianity, Buddhism, and other faiths—advocate treating others as one would like to be treated, fostering mutual respect. Additionally, principles of forgiveness and community, emphasized in Islam and Hinduism, promote harmony and reconciliation. By focusing on shared values such as kindness and unity, these beliefs can help bridge divides and enhance interpersonal relationships across diverse cultures.