Does anyone know this

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases.protect researchers from disclosing conflicts of interest.prevent subjects from knowing the purpose of a study.protect identifiable research information from compelled disclosure.

No creative answers only the right onesanswer asapif you learned oratory, what could you do? a. give good speeches b. understand the law c. make fun of peopled. race chariots

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.