How does specialization affect an economy?

it results in more innovation.
it makes the economy less efficient.
it prevents duplication of effort.
it discourages entrepreneurs.

It prevents duplication of effort.

Explanation:

Specialization can lead to economies of scale because it allows for increased output. ... This supports growth as a specialization of labor, for example, allows workers to perfect one task rather than focus on many. As workers become more adept at a specialized task, they become more efficient and production increases.

carefully examine the map above. based on your knowledge of colonialism in africa, the area attributed to belgium on this map is most likely the democratic republic of the congo.