Write the sources from where we can get more information about our neighbouring countries

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.

For an actor, keeping his mind on will ultimately his performance.

Why would someone who is studying the history or culture of this time. find this text interesting important or useful?