Answer:In 1947, Salk took a position at University of Pittsburgh, where he began conducting research on polio, also known as infantile paralysis. By 1951, Salk had determined that there were three distinct types of polio viruses and was able to develop a "killed virus" vaccine for the disease.
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Realmente no entiendo la pregunta pero ...
Hubo muchas razones a largo y corto plazo para explicar por qué Estados Unidos se involucró en Vietnam a fines de la década de 1950.
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1 razón: independencia vietnamita
2da razón- Guerra civil
Tercera razón: la teoría del dominó
Cuarta razón: el débil gobierno de Vietnam del Sur
Quinta razón: el incidente del golfo de Tonkin de 1964
<span>It means think in terms of the health of the entire planet (globally) and act in accordance to that in your own backyard/town/area </span>
Oversight and public education are examples of "implied" Congressional functions, since although they are not explicitly mentioned in the Constitution, they are included in Congress's wide-reach power to regulate interstate activity.
Jonh Locke believed there were moral laws at work in the universe, like others laws that were ruling nature, this moral law ruled human behavior towards a natural morality, which human would be "acting in conformity with reason".
He called this moral order Natural Law.
