Concept:Localization of industry means the concentration of firms and production activities in one area. It is encouraged because it brings economic benefits to the people.Explanation:When industries are localized in a place, employment opportunities increase for residents.The people earn regular income, which increases their purchasing power.As incomes rise, their standard of living improves significantly.The main reason governments encourage such concentration is to promote a high standard of living through job creation and income generation.Answer:D. high standard of living