The best option from the list would be "<span>cake : recipe," since "building : blueprint", implies that the building is "made" from a blueprint, much like a cake is "made" from a recipe. </span>
I am not sure but try Tutor Vista just try the demo session.
Hope that helps!
Answer:
C. Held their own service in secret
The answer is standardized parts
Answer: B. Supply of natural resources: coal, iron, water routes
