I believe the answer is: B.because of advances in science, medicine, technology, and the arts
During the hand civilization, China developed many advancement in use of herbs for medicinal purpose and adopted many technology from all across the world which increase their agricultural production capacity.
Their artworks were also developed to the point where it became a hot commodity among European nobles.
Driving at 55 miles per hour saves gas
They sought more hospitable climate.
The Fall of Bataan was a memorable time in Philippine history. Filipino and America Soldiers valiantly fought for the Philippines' defense and security. With few supplies, they were still able to fight the Japanese Imperial Army for 3 months. The long battle helped make the delays for the Japanese to completely get the whole Pacific area.
Lieutenant General Masaharu Homma held 140, 000 Filipino and Amercian soldiers as captives .