Question

what chinese invention made long land routes obsolete and led to the demise of the silk road?
magnetic compass
globe
telescope
lateen sail

Explanation:

The magnetic compass, a Chinese invention, improved maritime navigation. This allowed for safer and more efficient sea routes, reducing the reliance on the Silk Road (a land route). Globes were not a Chinese invention relevant here, telescopes were developed later and not by China for this context, and lateen sails, while aiding navigation, the magnetic compass was key in enabling long - distance sea travel that made land routes like the Silk Road less essential.

Answer:

A. magnetic compass