1. Monroe Doctrine- noted that the United States would neither interfere with existing European colonies nor meddle in the internal concerns of European countries. 2. Morse, Samuel F.B.- He contributed to the invention of a single-wire telegraph system based on European telegraphs, was a co-inventor of the Morse code, and also an accomplished painter. 3. New Jersey Plan- was a proposal for the structure of the United States Government presented by William Paterson at the Constitutional Convention on June 15, 1787.[1] The plan was created in response to the Virginia Plan, which called for two houses of Congress, both elected with apportionment according to population.[2] The less populous states were adamantly opposed to giving most of the control of the national government to the more populous states, and so proposed an alternative plan that would have kept the one-vote-per-state representation under one legislative body from the Articles of Confederation. The New Jersey Plan was opposed by James Madison and Edmund Randolph (the proponents of the Virginia Plan). 4. Northwest Ordinance of 1787- was an act of the Congress of the Confederation of the United States, passed July 13, 1787. The primary effect of the ordinance was the creation of the Northwest Territory, the first organized territory of the United States, from lands south of the Great Lakes, north and west of the Ohio River, and east of the Mississippi River. 5. Nullification- in United States constitutional history, is a legal theory that a state has the right to nullify, or invalidate, any federal law which that state has deemed unconstitutional. 6. Oklahoma/Indian Country- are used to describe an evolving land area set aside by the United States Government for the relocation of the Indigenous peoples of the Americas who held Aboriginal title to their land. In general, the tribes ceded