Which colonial region grew most of the crop shown in the
image?
Middle Colonies
New England Colonies
Southern Colonies
Western Colonies

It's the Southern Colonies.

Explanation:

What I'm seeing is cotton, which was grown by the Southern Colonies.

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.

in some situations true but in others false