alignment

In the first video, I'm trying to align a path with an existing barrier. As the barrier does not seem to have a grid of its own, I find it impossible to keep margins consistent. The second video is an attempt to construct a simple building, add a pathway and a barrrier. I fail to complete the...

I have been trying to affiliate my squadron to a minor faction in a system but it isn't present in the list where you chose the faction you want to affiliate with. Can somebody please tell me how I can align my squadron to a minor faction? (I am allied with the faction)