15 Which of the following statements is correct regarding the diplomatic activities of the Yuan Shikaiadministration after the establishment of the Republic of China?
(A) When serving as the head of the diplomatic corps in Beijing, US Minister Jordan became friendly with Yuan Shikai, thus exerting considerable influence.
(B) Yuan Shikai’s reconstruction loan was supported by a group of banks from five countries, including the United States.
(C) After the outbreak of World War I in 1914, Yuan Shikai led China to declare war on Germany.
(D) In 1915, China and Japan negotiated the Twenty-one Demands, which included the management rights of Hanyeping Iron and Steel Plant.