What reforms improved the lives of children in Britain

The correct answer is: Liberal welfare reforms.

Explanation:

Liberal welfare reforms refer to the measures of social legislation set by the Liberal Party from 1906 to 1914. These acts protected the welfare of the citizens of the United Kingdom, especially the welfare of the elderly, children, workers and sick people.

Children's rights and welfare were protected with various measures which included: free school meals, medical treatments, education, and severe punishments for parents who were neglecting children.