Complex sentence: Over time, through more work in ethnic studies and women's studies, she developed a deeper understanding of her main research interests: social movement building, activist rhetoric, women of color feminisms, queer of color theory, and coalition politics.
Split into simpler sentences: Over time, through more work in ethnic studies and women's studies, she developed a deeper understanding of her main research. Her main focus of research now is to study social movement building, activist rhetoric, and coalition politics.