April 20 (UPI) -- Brazilian President Luiz Inácio Lula da Silva has warned about the deterioration of the international order and the paralysis of the United Nations in a message published on X. He urged strengthening multilateralism while on an official visit to Germany, where he also promoted the trade agreement between the European Union and Mercosur. "It is useless to have one's house in order in a world that is in disorder. The prevalence of force over law is the greatest threat to