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.
The Articles of Confederation and Perpetual Union was the first constitution of the United States. It was drafted by the Second Continental Congress from mid-1776 through late-1777, and ratification by all 13 states was completed in early 1781.Under the Articles of Confederation, the central government's power was kept quite limited. The Confederation Congress could make decisions, but lacked enforcement powers.t was drafted by the Second Continental Congress from mid-1776 through late-1777, and ratification by all 13 states was completed in early 1781. Under the Articles of Confederation, the central government's power was kept quite limited. The Confederation Congress could make decisions, but lacked enforcement powers.