Which of the following could be seen as an example of a cultural achievement of the Portuguese maritime empire?

(1 point)
-The Portuguese spread Christianity with great success, winning over the favor of rulers in China.
-The Portuguese monopolized the Indian Ocean trade routes for over a century.
-The Portuguese built large cities that became capitals of the nations they overtook with the use of gunpower.
-Portuguese trade introduced some New World crops through the Columbian Exchange

-The Portuguese monopolized the Indian Ocean trade routes for over a century.