Who was responsible for the cold war - the united states or the soviet union? and how/why?

Neither.

Explanation:

Red Dawn from the 80's had a good explanation. The Slavs and the Yanks were like the 2 strongest guys in a neighborhood. Sooner or later, they would have had to fight, just like 2 middle schoolers fighting to see who's stronger.

c. the king has significantly abused the colonists' rights many times over a long period of time.