You can code-switch fluently between acting very individualistic and assertive to very collectivistic and diplomatic. Your behaviors reflect a(n) identity.

Bicultural identity

Explanation: Bicultural Identity is having the ability to combine and show two cultural attitudes that is

having or combining the cultural attitudes and customs of two nations, peoples, or ethnic groups.

Bicultural identity or Biculturalism can also be defined as the condition of being oneself regarding the combination of two cultures. Biculturalism is simply the presence of two different cultures in the same country or region at the sane time. This is the identity style that played out from the question.

where is the

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."