Answer: 1 stands for Arabia
2 stands for Egypit, Persia, and Syria
3 stands for Spain and Berbers
or
1 stands for At the death of Muhammad, 632
2 stands for After the conquest of the first four caliphs, 661
3 stands for After the conquest of the Umayyad caliphs, 750
Federalism is a mixed or compound mode of government that combines a general government with regional governments in a single political system. Its distinctive feature, first embodied in the Constitution of the United States of 1789, is a relationship of parity between the two levels of government established.
Just look the difinetions and key terms
