Opium wars then long march then great leap forward and lastly, four modernization.
The correct answer is A, thank you many countless hours watching NCIS
The United states has a federal system of government because power is shared between the central and state governments.
Answer: the great schism permanently divided the eastern Byzantine Christian crouch and the western Roman Catholic Church. The popes in Rome claimed papal supremacy while the leaders in the east rejected the claim, this led to western popes and eastern patriarchs excommunicating each other