How does specialization affect employment patterns? a) by using the absolute advantage that many people have in production work b) by creating specialized work for a few people c) by changing job availability in a country or region d) by making sure that each person produces the goods for which he or she has a comparative advantage.

Specialization affect employment patterns by changing job availability in the country or region.  

Explanation:

Specialization refers to a particular or specific type of employment in which you are a well-versed player. Thus, while having a specialized job, you have a similar type of employment. Similarly, when specialization moves towards anything else, the employment pattern also changes. For example, if you are an orange seller, then you have specialized knowledge, access, employment, and dealing idea towards it. The changes in specialized field automatically affects the employment pattern.

D. providing for public safety