Answer:
They had well dispersed armies, conquers already weak empires, and had some persecuted people convert to Islamic religion. ... Vigorous religious and political opposition. Rebel groups (AKA Abbasids) overthrow them in 750.
Explanation:
Although polarization drives some improvements towards democratization and political scientists show that politicians support polarization, divisions have become more one-sided.
I think that spain would be the best answer
Answer:
In 1920, American voters elected a President who promised to increase the U.S. role in world affairs.