Answer: for his own protection.
Explanation: He can only leave with his Secret Service men. Besides if he wanted a pizza or beer or something all he had to do was make a phone call down to the kitchen and it’s done
Federalism
Federalism is the mixed system of government, combining a central government with regional governments in a single political system. By combining the various states into the general central government, the power of the national government increased making it strong enough to deliver
Answer is B, the railroad system going through the cities.
It made steel more cost effective
