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Respuestas a la pregunta
1. In 1754, at a meeting of colonial representatives in Albany, New York, Franklin proposed a plan for uniting the colonies under a national congress. Although his Albany Plan was rejected, it helped lay the groundwork for the Articles of Confederation, which became the first constitution of the United States when ratified in 1781.
2. In 1748, Franklin had expanded his printing business and became successful enough to stop working. Retirement allowed him to pursue more interest in science. In the 1740s, he conducted experiments that contributed to the understanding of electricity, and invented the lightning rod, which protected buildings from fires caused by lightning. In 1752, he conducted his famous kite experiment and demonstrated that lightning is electricity.