Complex sentence: Stan Goff (born 1951) is an extensive writer, activist, and in the United States on topics such as peak oil, militarism, imperialism, race, gender, and class.
Split into simpler sentences: Stan Goff (born 1951) is a writer, activist, and in the United States. In both his scholarship and activism, Goff explores topics such as peak oil, militarism, imperialism, race, gender, and class.