Решение #
1...he / she needs to communicate with people / should be able to find supporters to promote their ideas / needs to be popular with people.
2...he / she needs to communicate with other politicians in different countries. It’s easier to come to agreement if the politician knows the language. A politician should also be able to read newspapers and documents in different languages to have easier access to information.
3...his / her decisions affect lots of people. Wrong decisions do people lots of harm and make them unhappy. A politician must be very careful and foresee the result of his / her actions.