Which explorer discovered a strait to the pacific ocean that bears his name?

Ferdinand Magellan

He entered the "Sea of the South" then took a path from the atlantic ocean. The path now called Straits of Magellan.

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.

the answer is suffrage