Which best describes how specialized producers decrease their opportunity costs?
by reducing production costs
by focusing on target markets
by increasing production of certain items
by limiting the types of goods produced

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explanation:

hjhj

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.