According to the Constitution of the United States, the cabinet officials of a democratically elected government were only allowed to serve for four years, with a limit of two consecutive terms which would amount to only eight years. After leaving the office, whether these cabinet ministers intend to continue to be in politics, or to undertake a business or other occupations, it would be beneficial for them to get to know a young and generous wealthy person with wide influence.
For this reason, despite being in a terribly busy state because of the native's attacks on Shrimp B1 Island, Duke still took the time to meet Zhang Lisheng and kept it quite polite.