One of the grievances that the king of England inflicted in the colonies was the following:
"He has refused his Assent to Laws, the most wholesome and necessary for the public good."
This is a particularly important complaint. In these lines, the writers of the Declaration tell us that the king was unresponsive to their needs. Whenever the colonists saw a need for a new law, and decided to create it, the king would refuse to give his assent. This caused the colonists problems, because they were unable to try to find a solution to their own problems.