The correct options are B AND D.
Agriculture was the major means of survival for men during the early days. Fluctuations in the rainfall during the course of a year may adversely affect the crops grown. If this persists for a long time it will leads to food shortage and famine.
Earthquake and eruption volcanoes are shift in the physical environment which can easily destroy any community.
The correct answer is letter A.
Explanation: Social Reform is the belief that through gradual changes and within existing institutions one can fundamentally change the economic system and political structures of society.
Answer:
B
Explanation:
A document that gives people the right to organize settlements in an area
Answer: It increased exposure to Western culture.
Explanation:
The way that openness directly affect Chinese culture was that it increased the exposure to Western culture.
Through openess, Chinese interacted and communicated with people form other cultures despite the cultural differences.
This is vital in the building of relationships with others from different ethnic groups, national origin etc. This brought about the exposure to the Western culture.
Its called the castle doctrine
