I think it was Richard Pryor
Because there was cheaper and faster transportation.
Some people say its an accident but i could be wrong try google
I assume the answer is true. There would have to be more trade, it comes with industrialization. Sorry I couldn't help more!
Answer:
scholars have identified three types of cause of decolonization: metrocentric, peripheral, and international. In short, these involve causes in the imperial power, in the colonized territory, and in the wider world.
in my opinion peripheral would not be included on a basic level and you question states only 2 so i would think metrocentric and international.