1 the use of a variety of data sources (data triangulation) 2  the use of several different researchers (investigator triangulation) 3  the use of multiple perspectives to interpret the results (theory triangulation)  the use of multiple methods to study a research problem (methodological triangulation)
The Articles of Confederation was the United States' first constitution. Proposed by the Continental Congress in 1777, it was not ratified until 1781.
Articles of Confederation definition. An agreement among the thirteen original states, approved in 1781, that provided a loose federal government before the present Constitution went into effect in 1789. There was no chief executive or judiciary, and the legislature of the Confederation had no authority to collect taxes.