What did japan hope to accomplish with the 21 demands

to gain a sphere of influence in china

Explanation:

The twenty-one demands (Jan. 18, 1915) were made by the Empire of Japan under Prime Minister Ōkuma Shigenobu to the Republic of China during World War I. Japan demanded special privileges that most of the major European powers already had.

Japan´s demands included: railway and mining claims in Shandong province, special concessions in Manchuria, Sino-Japanese authority of the Han-Ye-Ping mining base, entrance to areas in China’s coast; and Japanese control of Chinese economic, political, and security operations.

b. parliament was weaker than the monarchy.