Complex sentence: Due to its temporal proximity, Alt Lit is often grouped with post-modernism and many other literary movements, including New Modernism, which most literary critics say began around 1999, alongside the Modernist Studies Association (MSA) and its annual conference.
Split into simpler sentences: Due to its temporal proximity, Alt Lit is often grouped with post-modernism and many other literary movements. However, most literary critics cite New Moderism as developing around 1999 alongside the Modernist Studies Association (MSA) and its annual conference.