Re: Those Nemodian slugs . . .
The Trade Federation was "working" for Darth Sidious/Palpatine. Therefore in a way the Nemodians were part of The Empire. After the Nemodian invasion failed, their war machine was confiscated by Darth Sidious/Palpatine. Of course we all know that Darth Sidious/Palpatine will make use of his new weapons in his plans of expanding his Empire.
Re: trade federation
If the whole Glaxy is at war then people will have to fight alongside each other even if the don't get along. Look at the British and the French. Hundreds of years of conflict then they had to be on the same side to fight the Nazi's and now they are arguing again. It could happen.
Re: trade federation
I just meant politicaly. When Britain wanted to join the Eurpean Union years ago France were the only country to say no. Their has been things like this going on for a while between the two countries. I still think the trade fedaration could be good in the next film. XC says they are cowards so why would they fight for Palpatine?