how do you move your brigantine trade ship ?

[kingking]

i cna't move the brigantine trade ship , it has been four rounds that i have it and i can't move it i swith to commercial map to mov e bit it doesn't wanna move pls helppppppppppp

[officerpuppy]

You click on it and hold down the mouse button, move around the map, the ports where you can place it will have a green circle around them.