B.The imperialists strengthened their aggression against China after World WarⅠand the Northern Warlord Government externally compromised and capitulated and internally oppressed the people which brought about China a grave national crisis.
C.After World WarⅠ, the imperialists’ aggression against China and Northern Warlord Government’s external compromise and capitulation and internal oppression to the people brought about China a grave national crisis.
D.After World WarⅠ, the imperialists stepped up their aggression against China while the Northern Warlord Government resorted to external compromise and capitulation and internal ruthless oppression of the people, both of which landed China in a grave national crisis.
A.列强对中国的争夺和瓜分的图谋达到高潮
B.中国人民的民族意识开始觉醒
C.中国沦为半殖民半封建社会
D.签订不平等条约,各占中国大量土地