A friend asks Nana to edit her 15-page term paper. Because of her own heavy workload, Nana tells her she's unable to do it. The friend then asks Nana to only read the first part, which is five pages long. Nana quickly agrees to help her. Later she realizes that her friend used a persuasion strategy called the " technique." Please choose the correct answer from the following choices, and then select the submit answer button.

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between