A primary source comes from a first-hand witness's point of view which makes the information from that source more valid than a secondary.
These notorious demands were issued at a time of shifting balance of power in East Asia. With the Qing dynasty’s humiliating defeat in the first Sino-Japanese War (1894-95), regional dominance for the first time had moved from China to Japan. Japan’s ambitions in China were further emboldened by its decisive victory in the Russo-Japanese War (1904-05), which affirmed the Japanese presence in south Manchuria and Korea. The 1911 Revolution brought an end to the Qing dynasty and ushered in the Republican era in China, but China remained a pushover in the face of pressure from Western Powers. Furthermore, Yuan’s ruling status itself was shaky due to threats from competing local warlords. World War I granted Japan a perfect opportunity to push the envelope even more with China. As the war was underway in Europe, the Japanese hoped that other major powers would show little interest in countering Japanese expansion in China. For these reasons, Japanese Foreign Minister Kato was convinced that the filing of an ultimatum buttressed by the war threat would cause China to accept all the demands. so basically to control most of asia
Answer: Its B 100% sure
Explanation: Because the cold war was between the Soviet Union, not south Korea, and the US and Soviet resented each other because the US tried to get the Soviet to join them.
Jeff was an anti-federalist, answer is a