Thomas aquinas wrote about the nature and role of government in: a. on kingship b. the condition of the working class in england c. the prince d. nichomachean ethics and politics

The correct answer is A. On Kingship.

Explanation

Saint Thomas Aquinas (1224 - 1274) was an Italian Catholic philosopher and theologian, one of his most important works was the interpretation of the work of Aristotle, also he was known for his book "On Kingship", which covers issues such as political power, laws, justice and more importantly  the government role and nature. This book caused a stir during Aquinas' time because it was a precedent of political philosophy that raised questions about nature, religion, and government in the monarchy. So, the correct answer is A. On Kingship.