Answer:
Either by the congress when two-thirds of the majority vote in the House of Representatives and the Senate, <em>or</em> by a constitutional convention called by two thirds of the State legislatures.
“That is a very serious question. What makes you ask that today?”
It collapsed because of cold war and also corruption.
It should be noted that the main question that is sought in comparative effectiveness research is "What works best for which patient?".
Comparative effectiveness research simply means the direct comparison of the healthcare interventions that are existing in order to determine what works best for each patient.
The core question of comparative effectiveness research is to know the treatment that works best for whom, and under what circumstances the treatment will work best.
Learn more about a research on:
brainly.com/question/968894