Brazilian authorities have detained an estimated 1,500 people in connection with the attack of government buildings Sunday by supporters of former President Jair Bolsonaro.Leftist President Luiz Inácio Lula da Silva, who was sworn in Jan. 1, responded by authorizing federal intervention in the Federal District until the end of the month.Lula has received support from other world leaders, including Presidents Joe Biden and Andrés Manuel López Obrador of Mexico.“Brazil’s democratic institutions have our full support and the will of the Brazilian people must not be undermined.”Biden and Lula issued a joint statement Monday, which said that Biden invited Lula to Washington next month."The two leaders pledged to work closely together on the issues confronting the United States and Brazil, including climate change, economic development, and peace and security," the statement said."