How do political conflicts affect migration patterns? They create refugee crises, forcing large populations to migrate. They only impact migration within a single country. Political conflicts have no impact on migration. They reduce migration by strengthening borders.

Political conflicts can have a significant impact on migration patterns. They can create refugee crises, forcing large populations to migrate to safer areas. This can lead to an increase in migration both within and between countries. Political conflicts can also lead to changes in migration policies, as countries may tighten their borders or restrict migration from certain regions. Therefore, the statement 'They create refugee crises, forcing large populations to migrate' is the most accurate answer.