World Facts and Geography

Switzerland is renowned for its system of direct democracy, where citizens frequently vote on policy issues through referendums and initiatives. The Swiss cantonal system allows citizens to challenge laws and propose constitutional amendments. The UK and Canada have parliamentary systems with representative democracy, while France has a semi-presidential representative system.

India has approximately half of its total geographical area under cultivation, which is among the highest in the world. This is due to extensive fertile plains, favorable climate, and high population pressure on land for agriculture. India has the largest irrigated area in the world, supporting intensive cultivation.

The Horn of Africa is a peninsula in East Africa that juts hundreds of kilometers into the Arabian Sea and lies along the southern side of the Gulf of Aden. It is the easternmost projection of the African continent. The Horn of Africa denotes the region containing the countries of Eritrea, Djibouti, Ethiopia and Somalia.

The Congo River is located in Africa. It is the second-longest river in Africa and the world's deepest river. Options B (Asia) and C (Russia) are incorrect continents. The Congo River flows through the Democratic Republic of Congo and Republic of Congo.

India has the largest area under irrigation in the world, primarily due to its extensive canal systems from major rivers like the Ganges, Indus, and Brahmaputra, plus widespread groundwater irrigation. This is a well-established fact in agricultural geography.

The Yangtze River is the longest river in China and Asia. It flows entirely through China, originating in the Tibetan Plateau and emptying into the East China Sea near Shanghai.

The Volga is the longest river in Europe, flowing entirely through Russia. It runs from the Valdai Hills to the Caspian Sea and is often called 'Mother Volga' in Russian culture. Canada, China, and Japan all have their own major river systems.

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Luiz Inacio Lula da Silva, commonly known as Lula, served as the President of Brazil. He was first elected in 2002 and re-elected for a second term in 2006. He was a prominent leftist leader of the Workers' Party in Brazil and served two terms as president from 2003 to 2011.