What are the capitals and characteristics of Italy, Argentina and Canada?

It is a treasure house of art, a famous cultural city and the seat of the Roman Catholic Church. It is the largest city in Italy and one of the most famous tourist destinations in the world. In addition, the famous Italian football club "Rome", the American TV series "Rome" of the same name and the librarian of Guizhou Provincial Institute of Literature and History Rome. Ottawa is located at the junction of southeastern Ontario and Quebec. The population of the Capital Region (including Ottawa, Ontario, Hull, Quebec and its surrounding towns) exceeds1100000 (2005), covering an area of 4,662 square kilometers. In the city, the Ottawa River flows from west to east, separating the whole city from south to north. Southern residents are descendants of British immigrants and speak English; Residents in the north are descendants of French immigrants and speak French. The Rido River runs through the city from south to north and joins the Ottawa River in the north of the city. Ottawa is the fourth largest city in Canada and the hub of water, land and air transportation. Rich in water resources, mainly light industry, including papermaking, wood processing, food, machinery manufacturing and other industries. Buenos Aires, referred to as Buenos Aires for short, is the largest city, capital and political, economic and cultural center of Argentina, and is known as "Paris of South America". It is adjacent to the La Plata River in the east, Uruguay (East) and Uruguay (East) on the other side, and the pampas Prairie, known as the "granary of the world" in the west, with beautiful scenery and pleasant climate.