Answer:
Illiteracy is the biggest reason behind all of the social problems.
Unwanted social divisions like religion,caste etc ,often becomes the reason behind social problems.
Poverty is also a major reason.
Lack of proper leadership is also becoming a major factor for these social problems.
Explanation:
The question is asking to choose among the following them does William Bradford address in Of Plymouth Plantation, base on me research and further understanding, the possible answer would be "the importance of religion". I hope you are satisfied with my answer and feel free to ask for more
