We don't know your tire question so we will not be able to help sorry
This is how I would write your thesis. "Should kids be allow to bring their cellphones to school? I believed they should, because it's necessary for kids to be able to communicate with their parents in case of an emergency. In New York City, their policy of banned cellular devices will be reversed and students will be allow to use their devices freely. However, will other counties like New York city be as open minded and allowed the usage of cellphones?"
It is in past tense so the answer is; c. went