Final answer:
The article that touches on corporations, public transportation, and branch banking is the Article on Economic Development, focusing on the balance between market freedom and government rules. Meanwhile, the 'full faith and credit' clause applies to interstate relations, ensuring cooperation between states.
Step-by-step explanation:
The article that deals with subjects such as corporations, public transportation, and branch banking is d) Article on Economic Development. This article likely discusses how economic institutions are organized to foster growth in various sectors, including corporate governance, public infrastructure, and financial services. The organization of economic institutions often involves a delicate balance between market freedom and government regulation, rather than an extreme reliance on one or the other.
The "full faith and credit" clause specifically applies to b) interstate relations. It mandates that each state must respect the public acts, records, and judicial proceedings of every other state. This clause is crucial for ensuring legal consistency and cooperation between states within the United States.