Complex sentence: Although some have praised Fillmore's restrained foreign policy, he is criticized for having further aggravated tensions between abolitionists and slaveholders, he is placed near the bottom 10 of historical rankings of Presidents of the United States by various scholarly surveys.
Split into simpler sentences: Although some have praised Fillmore's restrained foreign policy, he is criticized for having further aggravated tensions between abolitionists and slaveholders. He is placed near the bottom 10 of historical rankings of Presidents of the United States by various scholarly surveys.