World History: India and the Cold War Era

Tsar Bomba was the most powerful nuclear weapon ever detonated, a 50-megaton Soviet hydrogen bomb tested in 1961, representing the peak of the Cold War nuclear arms race between the US and USSR. While Little Boy and Fat Man were WWII atomic bombs, and 'Hydrogen bomb' and 'Nuclear Bomb' are general categories, Tsar Bomba specifically symbolizes the ultimate escalation of the arms race.

The Vietnam War (1955-1975) was a major conflict where the US supported South Vietnam against North Vietnam (with Viet Cong guerrillas). Despite massive military intervention, the US withdrew in 1973, and South Vietnam fell to North Vietnamese forces in 1975, resulting in Vietnamese unification under communist control - a clear strategic defeat for the United States.

The Cold War began immediately after World War II (1945-1991) primarily between the United States and the Soviet Union (USSR). It was a period of geopolitical tension, ideological conflict (capitalism vs communism), arms race, and proxy wars without direct military confrontation between the two superpowers. While Germany was divided and China became communist later, the fundamental rivalry was between USA and USSR.

Rajiv Gandhi was assassinated on May 21, 1991. The first anniversary of his death in 1992 was officially designated as Anti-Terrorism Day by the Government of India to honor his memory and raise awareness against terrorism. This day is observed annually with pledges and ceremonies promoting national unity and peace.

The Soviet Union lost its war in Afghanistan after a 10-year occupation (1979-1989). Despite superior military firepower, the Soviets faced fierce resistance from Afghan mujahideen fighters supported by the US and Pakistan. This prolonged conflict drained Soviet resources and contributed to the USSR's eventual collapse.

The Soviet Union dissolved in December 1991 during the leadership of Mikhail Gorbachev. His policies of glasnost (openness) and perestroika (restructuring), combined with economic crisis and rising nationalist movements in republics, led to the peaceful end of the USSR. Gorbachev resigned on December 25, 1991, as the Soviet Union ceased to exist.

Christopher Columbus discovered the West Indies in 1492 during his first voyage, believing he had reached the East Indies. Amundsen and Parry were polar explorers, while Marco Polo was a medieval explorer who traveled to Asia over land.

Urmila is correct - she married Lakshmana, Rama's younger brother in the Ramayana. Mandavi was Bharata's wife, and Sulakshana was Shatrughna's wife (both Lakshmana's other brothers).

Siddhartha Gautama (the Buddha) founded Buddhism. Mahavira founded Jainism, while Sushruta and Charaka were ancient Indian physicians known for medical texts.

Chandrashekhar Azad died at Alfred Park in Allahabad (now Prayagraj) in 1931 during a confrontation with British police. He famously vowed to never be captured alive.

To solve this question, the user needs to have knowledge about the founder of Arya Samaj.

Option A: Raja Ram Mohan Roy was not the founder of Arya Samaj. He was a social reformer who was known for his efforts to abolish the practice of Sati and promote women's education.

Option B: Dayanand Saraswati was the founder of Arya Samaj. He was a Hindu monk and social reformer who sought to purify Hinduism and return it to its Vedic roots.

Option C: Swami Vivekananda was a disciple of Ramakrishna and was known for his contributions to the revival of Hinduism in India. He was not the founder of Arya Samaj.

Option D: Annie Besant was a British socialist, theosophist, and women's rights activist. She was not the founder of Arya Samaj.

Therefore, the answer is: B) Dayanand Saraswati.

Vasco da Gama reached India in 1498, arriving at Calicut (now Kozhikode) on May 20, 1498. He was the first European to reach India by sea, opening the sea route from Europe to Asia.

India came under direct British Crown rule after the 1857 revolt. The Government of India Act 1858 transferred power from the East India Company to the British Crown, beginning the British Raj period that lasted until 1947.

Raja Ram Mohan Roy founded the Brahmo Samaj in 1828 to reform Hindu society and promote monotheism. He was a key social reformer who campaigned against sati, child marriage, and caste discrimination.