 Complete the following phrase:  The Imperial Academy of Fine Arts  was an institution of higher learning in the arts in Rio de Janeiro, Brazil, established by King João VI. Despite facing many initial difficulties, the Academy was established and took its place at the forefront of Brazilian arts education in the second half of the nineteenth century. The Academy became the center of the diffusion of new aesthetic trends and the teaching of modern artistic techniques. It eventually became one of the principal arts institutions under the patronage of Emperor Dom Pedro II. With the 