The British Empire declared war on the German Empire on 4 August 1914. The declaration was a result of German refusal to remove troops from neutral Belgium. In 1839 the United Kingdom, France, and Prussia (the predecessor of the German Empire) had signed the Treaty of London which guaranteed Belgium sovereignty.
Equal forces and no use of nuclear weapons.
After the initial invasion of the South by the North, UN forces under US leadership were able to push back forces into the North. However, China then entered the war creating a surge back toward the 38th parallel. With the US unwilling to use an atomic weapon, the countries were evenly matched and no one was able to make traction.
India is a secular democracy because the government treats all religions equally. In western countries secularism means isolation of faith from the government, but in India it's an acceptance and equal support of each faith from the government level.
A.) A book because u can go in a regular store and buy the rest