Axel The Englishman
The Holy Crusader
Accepting second hand ships would be an embarrassment to the Imperial Navy along with the fact that they already have ships more advanced and powerful than those Dreadnaughts.
Again, depends. Tahan can't simply be bribed into an alliance, the Emperor makes his decisions based on morality and determination on both a person's and a nation's character.
Now that I think about it, how about a co-hosted training event where my troops and yours will train with each other to display a level of strength, valour and dignity, where troops will participate in events established by both nations? I'm tryna get some allies here, and thinking about allying with @Pat was really just to gain some covering fire from Turia.