What event pulled us into world war 2

Prices for products became more affordable as a result of new forms of ,witch got things to market faster and cheaper

Why does the united states constitution require that a national census be taken every ten years?

Which of the following is an example of how the principle of beneficence can be applied to a study employing human subjects? providing detailed information about the study and obtaining the subject's consent to participate. ensuring that the selection of subjects includes people from all segments of the population. ensuring that persons with diminished autonomy are protected. determining that the study has a maximization of benefits and a minimization of risks.