The United Nations’ General Assembly approved a blueprint to bring the world’s increasingly divided nations together to tackle 21st-century challenges on Sunday. Those issues range from climate change and artificial intelligence to escalating conflicts and increasing inequality and poverty. The 42-page “Pact for the Future” challenges the leaders of the 193 member nations of the UN to turn promises into real actions that make a difference to the world. “Our Summit for the Future has given us a pact,” said UN General Assembly President Philemon Yang. “The commitments embodied in the Pact, and i…