Actually, [b]parentheses[/b] add additional information, and they can be ignored. Probably
The correct preposition that you should add to make the sentence correct is TO. The answer is then "To facilitate a quick getaway, the cunning thief parked the car perpendicular to the building". Perpendicular things always have the preposition TO next to them.
PROS: Our country beleives in everyones freedom and so if we helped them it would be <em>constitutional.</em>
CONS: Some of our resources come from Russia and we would not have access to that if we interfeared. This would probably cause a world war.
The man in the jail house tried to kill or find trouble for Tom Robinson. Luckily Atticus was there and Jem had the idea of following his father because he was worried. Scout later then solved the issue by mentioning Mr Cunningham's trail (or some sort I forgot) and they all realised that Atticus is just trying to do his job and justify the person like how he treats them. At last they went back and Tom wasn't harmed.
