Complex sentence: Through such tests, it is known that American Southerners exhibit less egalitarian gender views than their northern counterparts, demonstrating that gender views are inevitably affected by an individual's culture, and may differ among compatriots whose' cultures' are a few hundred miles apart.
Split into simpler sentences: Through such tests, it is known that American southerners exhibit less egalitarian gender views than their northern counterparts, demonstrating that gender views are inevitably affected by an individual's culture. This also may differ among compatriots whose' cultures' are a few hundred miles apart.