The Indus Valley civilization, one of the world's oldest, flourished during the 3rd and 2nd millennia B.C. and extended into northwestern India. Aryan tribes from the northwest infiltrated onto the Indian subcontinent about 1500 B.C.; their merger with the earlier Dravidian inhabitants created the classical Indian culture. The Maurya Empire of the 4th and 3rd centuries B.C. - which reached its zenith under ASHOKA - united much of South Asia. The Golden Age ushered in by the Gupta dynasty (4th to 6th centuries A.D.) saw a flowering of Indian science, art, and culture. Islam spread across the subcontinent over a period of 700 years. In the 10th and 11th centuries, Turks and Afghans invaded India and established the Delhi Sultanate. In the early 16th century, the Emperor BABUR established the Mughal Dynasty which ruled India for more than three centuries. European explorers began establishing footholds in India during the 16th century. By the 19th century, Great Britain had become the dominant political power on the subcontinent. The British Indian Army played a vital role in both World Wars. Nonviolent resistance to British rule, led by Mohandas GANDHI and Jawaharlal NEHRU, eventually brought about independence in 1947. Communal violence led to the subcontinent's bloody partition, which resulted in the creation of two separate states, India and Pakistan. The two countries have fought three wars since independence, the last of which in 1971 resulted in East Pakistan becoming the separate nation of Bangladesh. India's nuclear weapons tests in 1998 caused Pakistan to conduct its own tests that same year. In November 2008, terrorists originating from Pakistan conducted a series of coordinated attacks in Mumbai, India's financial capital. In January 2011, India assumed a nonpermanent seat in the UN Security Council for the 2011-12 term. Despite pressing problems such as significant overpopulation, environmental degradation, extensive poverty, and widespread corruption, rapid economic development is fueling India's rise on the world stage. India's economic growth slowed last year, however, dropping from 8.5 percent in 2010 to around 7 percent. Labor force 478.3 million agriculture: 52% industry: 14% services: 34% Agriculture in India has a significant history. Today, India ranks second worldwide in farm output. Agriculture and allied sectors like forestry and fisheries accounted for 16.6% of the GDP in 2009, about 50% of the total workforce.The economic contribution of agriculture to India's GDP is steadily declining with the country's broad-based economic growth. Still, agriculture is demographically the broadest economic sector and plays a significant role in the overall socio-economic fabric of India. Per 2010 FAO world agriculture statistics, India is the world's largest producer of many fresh fruits and vegetables, milk, major spices, select fresh meats, select fibrous crops such as jute, several staples such as millets and castor oil seed. India is the second largest producer of wheat and rice, the world's major food staples. India is also the world's second or third largest producer of several dry fruits, agriculture-based textile raw materials, roots and tuber crops, pulses, farmed fish, eggs, coconut, sugarcane and numerous vegetables. India ranked within the world's five largest producers of over 80% of agricultural produce items, including many cash crops such as coffee and cotton, in 2010, India is also one the world's five largest producers of livestock and poultry meat, with one of the fastest growth rates, as of 2011.