Islam.
While there are many minority groups in Afghanistan, there are 4 major religions. These religions are: Shia Islam Hindus and Sikhs Judaism Zoroastrians Resources include:http://en.wikipedia.org/wiki/Religion_in_Afghanistan
many
Islam,hinduism
Sunni Islam.
Judaism and Christianity
Christianity and Islam are the most common in the world.
Both Sunni and Shia Islam
-- Islam -- Judaism -- Christianity
The religion during transcendentalism period was Unitarianism
Policy dealing with Afghanistan and Pakistan. Right now, with Afghanistan, the US is moving towards the "New Silk Road," which is basically developing Afghanistan to be economically prominent in the region by building upon its infrastructure through gas lines and the such.
mountains