Which organization was formed by the copperheads?

Where was George Washington's death place? Who's nickname was gamecock in the Revolutionary War? What did the framers do instead of revising the constitution at the Philadelphia? What is expression by conduct such as carrying a sign or wearing an armband? What is a gathering to select a party's nominee for president? Which cabinet members often form an inner circle closer to the president and which have less direct contact? Why did radical abolitionist William Lloyd garrison critisize the free soil movement in the late 1840s? What plants are in the great plains? How did herodotus die? What federal law enforcement agencies does not operate under the Department of the Treasury? Should children do community service? Which of the advocates rebellion against authority only when necessary? What was the water powered loom used for? Were the federalists the north or the south? What president was expelled from school for tying up a teacher? Who was responsible for assassinating the archduck? What factors work to keep the US Supreme Court from deviating too far from public opinion? What did northerners think about the Kansas-Nebraska Act? What did leaders of the Confederacy think their nation was entitled to Apex? What is internal revenue system?

Which organization was formed by the copperheads?