How does the international community typically respond to secession movements?

How does the international community typically respond to secession movements? An international community will typically try and stay away and not intervene during secession movements. Because there are powerful countries and states that could enter a secession, it is best for certain countries and states to stay away from intervention not to cause more conflict. 

He was an adventurer and writer who established a colony near roanoke island, in present day north coralina.