Here are some GREAT links for your perusal:

The Impact of Christianity on the world

America’s Blessing: How Religion Benefits Everyone, including Atheists

Racism is ridiculous

Racism isn’t biblical  Click a couple of times on the several links for more detailed articles.

Does the Bible approve of slavery?

Does the Bible condone Slavery?

America acknowledges God

Mapping the history of Religions

Many places where America acknowledges God

The World’s Fastest Growing Religions