The rulers of some princely states in Karnataka were known for their patronage of:

Arts and culture
Education
Public works
All of the above

The correct answer is D) All of the above.

The rulers of some princely states in Karnataka were known for their patronage of arts and culture, education, and public works. They built temples, palaces, and other monuments, and they supported artists, musicians, and scholars. They also built schools and hospitals, and they improved the infrastructure of their kingdoms.

For example, the rulers of the Vijayanagara Empire were known for their patronage of arts and culture. They built many temples and palaces, and they supported artists, musicians, and scholars. They also built schools and hospitals, and they improved the infrastructure of their kingdom.

The rulers of the Mysore Kingdom were also known for their patronage of arts and culture. They built many temples and palaces, and they supported artists, musicians, and scholars. They also built schools and hospitals, and they improved the infrastructure of their kingdom.

The rulers of the princely states in Karnataka made significant contributions to the development of the region. Their patronage of arts and culture, education, and public works helped to make Karnataka a prosperous and vibrant region.