Which is one of the revolutionary developments in roman architecture?

Match each model with its name and the name of the scientist who created it.

Kennedy singles out one group of countries that the united states will defend against any attacker what countries are they

Those who resisted the mongol invaders were attacked and their towns burned; those who cooperated with them also were attacked and had their towns burned. were treated fairly. were taken into the tribes and treated as mongols. were sent away to find new homes.