What does the episode surrounding this portrait indicate about the relationship of Venice and and the Ottoman Empire in the wake of the conquest of Constantinople?

Although you did not present the portrait to which the question refers, we can say that the relationship between venice and the Ottoman empire in the conquest of Constantinople can be represented by the period of peaceful relations between the two territories, not to mention the episodes of cultural exchange that that episode took over. In addition to establishing very beneficial business relationships for both.

it was the first major victory for the colonists.

fairly positive it is 4