I ONLY HAVE A HOUR PLS HELP What mathematical advancement is credited to the Gupta Empire? A. The development of algebra B. The discovery of the circumference C. The development of a decimal system D. The understanding of the diameter

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.