He refused to sit on the chair that he made because the
chairs were made of the hair of the king of Brobdingnag. In the 7th
chapter, the King had shaved his hair and Gulliver had weaved the hair into
chairs just to satisfy the Queen of Brobdingnag’s curiosity.
Marcus and his father are arguing about whether the cops are doing a good job or not. Marcus believes that the cops haven't caught any terrorists, and they are just making people scared. Marcus's dad on the other hand, he strongly believes that the cops are doing amazing work. Marcus's dad even said he would gladly be pulled over if it was to make him feel safer. Marcus and his dad have opposite outlooks, and this is the big conflict.
Hope this helps! :)
It should be the answer that has the prison and cemetery were built early.