Colonization is easy, and Europa Universalis IV Idea Group keys for use in console commands. This page includes help on how to use the command, argument explanation and examples.

And I don't know much about triggering events via console, but I don't see any reason why you couldn't. It is best to declare war before the Maine event. Find below a list of all event IDs in EU4. When multiple parameters are required, enter each parameter, separated by a space.