The term super man or super man was developed by

In 1992, Superman co-creator Joe Shuster told the Toronto Star that the name derived from 1930s cinematic leading men Clark Gable and Kent Taylor, but the persona from bespectacled silent film comic Harold Lloyd and himself.

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering