Answer:
(You can see the connection)
Explanation:
Monoculture is reusing the exact same soil, instead of rotating three or four different crops and chemical fertilizers make the soil so that the soil does not need to be replaced by adding the chemicals.
I assume that the question refers to the political affiliation of the Islands (They are Islands in the Mariana Trench, in the Pacific Ocean, south of Japan) - they are politically linked to the US - the correct answer is a). For example the Mariana islands have a commonwealth status within the US.
The two lasting legacies are the language latin, and greek.
