When was the Declaration signed
They believed that the increased demand would make a sharply reduced rate both affordable and collectible. When passed by Parliament, the new Sugar Act of 1764 halved the previous tax on molasses.
Becuase writing was one of the only ways of communication. When you have to pay for a stamp, that makes your way of communication limited. It would be like if you had to pay a dollar for every text you send. It makes it annoying and unreasonable. Hope this helps!