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 was the nations first constitution, was adopted by the second continental congress in 1781during the revolution. the document was limited because states held most of the power, and congress lacked the power to tax, regulate trade, or control coinage confederation establishes ineffective government.