The Information Index should help explain most of your questions.
Bonus Resources each have their own requirement, most of them involve having certain resources that you are trading for.
You may vote for your choice of senator via the Team Information Panel link on the left navigation menu.
He's not at war, and unless he sold them (which doesn't appear to be the case according to his charts), seems fine to me. Unless there's something else perhaps?
Read the requirements carefully: http://www.cybernations.net/about_topics.a...es_&_Trades
There are additional requirements in order to unlock your bonus resources. There is no bug.
The limit was set at fifty after a point, and any nations that still had more than 50 CM after the change were hit with triple the upkeep. You can no longer purchase more than fifty CM.
In your Trade Agreements screen, under "Approved" click "Cancel." There should be a prompt asking you "Are you sure you want to cancel this trade?" and click "Okay," and the trade agreement will be terminated.