Benchmark wheat and corn futures have experienced a maximum allowed decline in Chicago trading due to Russia's indication of potential military withdrawal from some Ukrainian areas. This development could mitigate the disruptions to global grain markets caused by the war. Meanwhile, the United Nations is expressing concerns about the conflict's impact on food programs, as Ukraine is a significant source of grain for these programs. Countries like Egypt and Maghreb are struggling with grain shortages and seeking alternatives, while Brazil is looking to Canada for potash to compensate for the reduction in imports from Russia and Belarus. The situation is prompting changes in global trade flows and raising concerns about food security.