His ideas helped in many ways but most importantly his belief in Religious and freedom from government sponsored religion influenced the 1st Amendment to the Constitution. The 1st Amendment (Bill of Rights) protects citizens from having their government dictate religious practices.
The society has been industrialized.
Answer:
Any Republic or Country needs a Constitution which specifies rights of its people for a Govt is based on Rights & Freedom of its Citizens Govt is formed by the people to work for its people!!!
One cause of the Decembrist Revolt was the fact that liberals were threatened by the new ruler's conservative views.