<span> The </span>Albany Plan of Union<span> was a </span>plan<span> to place the British North American colonies under a more centralized government. ... Representatives of the colonial governments adopted the </span>Albany Plan<span> during a larger meeting known as the </span>Albany<span> Congress.</span>
McClellan discovered General Robert E. Lee's battle plan.
Obviously, infiltration and access to battle plans allow for the opponent to figure out what their opponent's plans are, thus giving McClellan the victory at Antietam.
Hope this helps!
Search-and-destroy missions in Vietnam were largely unsuccessful. This is because new and larger reinforcements of Viet-Kongs moved in as soon as American forces departed. As such, these missions did not stem the flow of refugees.
With a 2/3 vote. If both the Texas Senate and the Texas House get two thirds of votes to override, they can override a veto and nobody can do anything about it. It's similar even in the congress of the federation, not just a Texas thing. This is called a large majority and it's that many people because it's usually about serious things that can't just be decided easily.