Answer:
Napoleon invades Spain and forces King Ferdinand VII to abdicate. He places his brother, Joseph Bonaparte on the Spanish Throne. With no Spanish government on the throne - Colonies must look after themselves.
Lots of trade including spices, and new technology/weapons.
I’m not sure if that’s what you want but that’s the basics of what comes and goes from countries.
The answer is B), detente, which was established when Reagan became President.