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 Essay In 1777 Congress made the Articles of Confederation, the first constitution of the United States of America. Under the Articles of Confederation Congress had several powers which were; authority to conduct foreign affairs, maintain armed forces, borrow money, and issue currency.