Spain most benefited from its colonies by gaining
a. more citizens
b. gold and silver
c. better sources of fur
d. sugar and tabasco plantations

when your a dog and you need a bone.   go and eat a rabbit

we need an attachment to see what you are talking about.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.