game breaking

Hey Everyone, I guess long story short, I am having a couple of issues that are completely destroying any attempt to do a playthrough of Civ V with Vox Populi. First off, I can't establish trade routes. I can build caravans, but the game won't let me send them anywhere. I have granaries in all...

So one day i opened my singleplayer game and BAM! i couldn't interact with the in game map. Not the minimap at the bottom left, but the the actual game terrain. The UI and stuff is fine; the game just doesn't sense my mouse on the map. i can click on units but when i click the MOVE button, the...