General George Marshall is famous for having one of the greatest organizational minds in history.
Prior to World War 2, the United States Military was woefully unprepared, under resourced, and under trained. Marshall led the efforts in World War 2 to make the US Military and effective force.
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.
Education reform lead by Horace Mann was a major reform movement in the early 1800's. He helped create mandatory public education for all in the United States.
The Arab Spring effect food prices because the price of oil sky rocketed. This made shipping and imports of food much more expensive. However, now that oil prices have fallen again the price of food has remained the same.