One generalization about reform movements was that- A. they had long standing impact on few people
B. the most successful ones helped few groups of people
C. they led to long standing changes in society
D. they had little impact on economies or culture

C. they led to long standing changes in society

Explanation:

Reform movements are the movements that led towards a change in the political and social lives of the country. Abolition of slavery, equal rights for women, political rights are some of the major issues that were raised during the Reform movements. Reform movements highlighted such issues among the general public. With the public opinion these issues became a matter of public debate and discussions.

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