The event you're describing is called the Ra pe of Nanking. It happened in 1937. Around 50,000 innocent Chinese people were killed by Japanese troops.
1. Prison and mental hospital reform – Dorothea Lynde Dix
2. Abolitionism reform - William Lloyd Garrison
3. Education reform – Horace Mann
Prison and mental hospital reform- This reform was an attempt to improve the mental and physical health conditions of the prisoners. The motive of this reform was also to reinstatement of the people who lives are affected by different crimes.
Abolitionism- This reform started in the mid 18th century and lasted till 1865. The motive of this reform was to abolish or end the slavery in the United States.
Education reform: This reform was established to spread the availability of education for more children. The education reform gain support from all over the country.
The Commonwealth<span> of Nations is a voluntary association of 52 sovereign states. </span>
Fredrick Douglas is the answer
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