Pacific Salmon this should be the answer
It was better for growing crops. A stable climate ensured a surplus of agricultural produce during these phases, slowly leading to the evolution of cities.
Carl rogers emphasized accepting people for what they are, not for what you would like them to be. This acceptance is termed as unconditional positive regard. UPR is an important aspect of many forms of psychotherapy. It is basic acceptance and support of a person regardless of what the person says or does, specially in context of client-centered therapy, and respecting others without judgment. It could be a mindset or a feeling.