Complex sentence: The Military Academy "(Academia Militar)" is a Portuguese military establishment of university higher education level which develops activities of teaching, research and support to the communities with the purpose of training and forming Officers for the Portuguese Army and the Republican National Guard.
Split into simpler sentences: The Military Academy "(Academia Militar)" is a Portuguese military establishment of an education level of an university. It develops activities of teaching, research and support for the communities with the purpose of training and forming officers for the Portuguese Army and the Republican National Guard.