Which layer of soil is least likely to be penetrated by plant roots

What is the largest room in the white house

Which researcher found american capitalism and the inequality of women to be at odds with the country's professed moral principles?

Why are governments formed? what role does government play in society? what would life be like without government? what purpose of government would have the most dramatic effect on society if it were taken away? which purpose of government has the greatest effect on your daily life?