i need help with these simple 3 questions, i will mark branliest(; (15pts)

Answer:
City-States: Milan, specialized in metalwork such as suits of armor, and Venice, which specialized in trading items such as spices and silk.
Wealthy Family: The Medici Family
Rich families and patrons encouraged art and education by using their money to have amazing pieces of artwork made for everybody to see and building school and universities.
Hope this helps!! :)