Buenos Aires is the capital and largest city of Argentina, known for its vibrant culture, tango music, and European-influenced architecture. It serves as the political and economic hub of the country, located along the Río de la Plata estuary.

Portuguese is the official language of Angola, a legacy of its colonial history under Portugal. It is used in government, education, and media, facilitating communication in this diverse nation with numerous local languages.

Algeria is situated in North Africa, bordered by the Mediterranean Sea to the north and several countries including Tunisia, Libya, and Morocco. It is the largest country in Africa by land area and plays a significant role in regional politics and trade.

The Albanian Lek is the official currency of Albania, used in all financial transactions within the country. It is abbreviated with the symbol 'L' and has been in use since 1926, reflecting Albania's economic identity.

Kabul is the capital and largest city of Afghanistan, serving as the political, cultural, and economic center of the country. Located in the eastern part of Afghanistan, it has been the capital since the early 19th century and is known for its historical significance and strategic location.

Washington served two terms (1789–1797) and set precedents for the office. He presided over the Constitutional era after leading the Continental Army. The other names are a musician and a filmmaker.

Russia spans about 17 million km² across Eastern Europe and Northern Asia. Canada is second, then China and the U.S. India ranks seventh.

Ottawa is Canada’s political capital; Toronto is the largest city. Brussels is Belgium’s capital; Bogotá is Colombia’s. Ottawa was chosen partly for its strategic inland location.

The official currency of Qatar is the Qatari Riyal (QAR). The dirham is used in the UAE, and the dinar in countries like Kuwait and Jordan. Dollar is used in many Western nations.

Trygve Lie of Norway was the first UN Secretary-General, serving from 1946 to 1952. He helped establish early UN institutions after WWII. Later secretaries included Hammarskjöld and U Thant.