<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the one having to do with how this discovery led to a "gold rush," that brought thousands of settlers out to the West, since this played a role in the westward expansion of the US. </span></span><span />
Around the 14th century, the cities of Nanjing, Calicut, Mogadishu and Venice was significant because the major center's of trading activity flourished there.
Established judicial review (supreme court decides what is constitutional or not)
The main reason the Spanish wanted to colonize the Americas was to extract as many riches (primarily gold and silver) from the area as possible, since they would bring things back to Spain in order to enrich their empire.