Cole's Ordinary was the first documented ordinary (and was built in 1663 in Boston)
Maryland (1819) is one of the first and most important Supreme Court cases on federal power. In this case, the Supreme Court held that Congress has implied powers derived from those listed in Article I, Section 8. The “Necessary and Proper” Clause gave Congress the power to establish a national bank.
This statement is true. Containment was indeed the policy of stopping communism from expanding to other countries. It was more like a military strategy to keep or stop the enemy from expansion. It was known as the Cold War and to prevent communism to spread worldwide.
That is true. Is there a specific question you have about it?