Architecture and seafaring are the two answers
In the short term, the voyages led to the destruction of the natives of the lands that Columbus found. Some of them were killed outright. Others were enslaved. Many died of diseases brought by the Europeans.
The Magna Carta was first in 1251. Columbus discovered america in 1492.
1. Diamonds in the deep: How gems are mined from the bottom of the ocean.
2. A major issue brought up in the article is that the sediment dredged up to get the diamonds affects the marine life. The text states, "Marine scientists argue that seabed mining degrades the marine environment, potentially impacting marine species."
I'm not to sure about 3-5. Im sorry but I hope it helps a lil!
