Carly’s friend brian says that he admires her ability to interact confidently with people in other countries, and he asks for her advice. how could brian improve his global mindset? check all that apply.(a) interacting on social media with people he can communicate easily with because they share a common background and language(b) learning another language and practicing it regularly with native speakers(c) attending cultural events, such as with musical groups and guest speakers from other countries, that attract a diverse audience(d) studying how the most successful u. s. companies became successful