Duterte, Rodrigo R. Agricultural development Baraquel, Ana Theresia Hontiveros Biofertilizers COVID-19 vaccines China Davao City Davao Death Squad Davao Thermo Biotech Corporation Drug traffic Duterte, Sebastian Z. Duterte, Soledad Roa Duterte-Carpio, Sara Enhanced Defense Cooperation Agreement Food shortages Foreign relations Government and the press Kadayawan Festival Marcos, Ferdinand R., Jr Mindanao Politicians -- Public relations Politics and government Presidents Price inflation Rice yields State of the Nation Address Tribes Trillanes, Antonio F., IV Visit to China Whistleblower -- Advincula, Peter Joemel