The politics of the italian city-states were turbulent and violent. governments were overthrown and reinstated. the sienese government commissioned a series of frescoes offering a new view, the need for a fair and just administration. the artist of note for this series is which of the following? a. pietro cavallini
b. giotto
c. duccio
d. ambrogio lorenzetti

Option D, Ambrogio Lorenzetti, is the right answer.

Explanation:

Ambrogio Lorenzetti was a painter from Italy belonging to the Sienese school. In Siena's Palazzo Pubblico, he portrayed "The Allegory of Good and Bad Government". The frescoes on the fences of the Cabin of the Nine are one of the masterpieces of initial period renaissance secular representation.

b. germany and italy