Robert Oppenheimer was "<span>A scientist who led the development of the atomic bomb," since he was the leader of the highly classified and dangerous project known as the "Manhattan Project". </span>
One of history's first true super powers, the Persian Empire stretched from the borders of India down through Egypt and up to the northern borders of Greece. But Persia's rule as a dominant empire would finally be brought to an end by a brilliant military and political strategist, Alexander the Great.
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.
Europe came under the rule of one emperor when Charlemagne was crowned.
