The nation has faced religious violence, casteism, naxalism, terrorism and regional separatist insurgencies. India has unresolved territorial disputes with China which in 1962 escalated into the Sino-Indian War, and with Pakistan which resulted in wars in 1947, 1965, 1971 and 1999. India was neutral in the Cold War, and was a leader in the Non-Aligned Movement. However, it made s loose alliance with the Soviet Union from 1971, when Pakistan was allied to the United States and People's Republic of China.