Question: Read this and answer the question

Sichuan was China's most populous province before Chongqing became a directly-controlled municipality; it is currently the fourth most populous, after Guangdong, Shandong and Henan. As of 1832, Sichuan was the most populous of the 18 provinces in China, with an estimated population at that time of 21 million. It was the third most populous sub-national entity in the world, after Uttar Pradesh, India and the Russian Soviet Federative Socialist Republic until 1991, when the Soviet Union was dissolved. It is also one of the only six to ever reach 100 million people (Uttar Pradesh, Russian RSFSR, Maharashtra, Sichuan, Bihar and Punjab). It is currently 10th.

In what year was the Soviet Union disbanded?
Answer: 1991
Question: Read this and answer the question

It is in the great churches and cathedrals and in a number of civic buildings that the Gothic style was expressed most powerfully, its characteristics lending themselves to appeals to the emotions, whether springing from faith or from civic pride. A great number of ecclesiastical buildings remain from this period, of which even the smallest are often structures of architectural distinction while many of the larger churches are considered priceless works of art and are listed with UNESCO as World Heritage Sites. For this reason a study of Gothic architecture is largely a study of cathedrals and churches.

A great number of what type of buildings still remain from this period today?
Answer: ecclesiastical
Question: Read this and answer the question

The Roman Catholic Church canon law also includes the main five rites (groups) of churches which are in full union with the Roman Catholic Church and the Supreme Pontiff:

Which denomination is led by the Supreme Pontiff?
Answer:
Roman Catholic