Who went to his grave believing that he had discovered a westward passage to asia, when he actually found the america's

•editorial: countries that harm their own citizens cannot be true u.s. allies?

According to the belmont report, the moral requirement that there be fair outcomes in the selection of research subjects, expresses the principle of: a. beneficence.b. respect for persons.c. justice.

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.