In a couple of sentences, describe the role of the president of China.

The post of President of the Republic of China was established on January 1, 1912, when Sun Yat-sen was appointed interim president. In 1946-1950, the Republic of China lost control of mainland China, where the People’s Republic of China was created in 1949.

The Chairman of the People’s Republic of China is the head of state of the People’s Republic of China; together with the National People's Congress he exercises the highest state power in the country. The Chairman of the PRC, on the basis of decisions of the National People's Congress, publishes laws, makes appointments as part of the State Council, issues decrees; conducts state affairs on behalf of the PRC, receives diplomatic representatives of foreign states, appoints and recalls plenipotentiary diplomatic representatives in foreign states, ratifies and denounces treaties and important agreements concluded with foreign states.

the answer is a) to be able to obey them.

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.