Answer:
The event depicted in the image reflects the disintegration of the Mughal Empire and the beginning of the British conquest of India, eventually allowing Great Britain to become the world’s greatest global power.
Step-by-step explanation:
The most significant change in the relationship between Great Britain and South Asia from the time of the image to the nineteenth century is that the image shows only the beginning of the British conquest of India, whereas the British gained total control over India in the nineteenth century.