Answer:
The sheer size of the empire eventually became problematic - it was too large to manage and became more susceptible to barbaric invasions. In 284 CE a new emperor came to power. His name was Diocletian, and he understood the problems facing the empire.
Explanation:
sorry my answer is different and i didnt took answer from your points.
The main reason as to why the southern planters has opposed to the wilmot proviso was because of the reason that if they don't oppose to it, it would likely abolish slavery in terms of the lands that they have gained from the Mexican American War.
Settlers in India, also are the first known culture of India.
They wanted to make money off of them