B. Interchangeable idea in loves using identical pieces to manufacture items
Answer:
The Oglethorpe plan is an urban planning idea that was most famously used when Savannah, Georgia was founded in the 18th century. The plan uses a distinctive street network with repeating squares of residential blocks, commercial blocks, and small green parks to create integrated, walkable neighborhoods.
Explanation:
It could be argued that immigration policy is both a foreign and a domestic policy concern because it has to do with the number and types of people entering the United States and subsequently the job market (being the domestic concern) and it has to do with how we treat the foreign nations from which the immigrants are coming (being the foreign concern).