What tone does the final statement of the Declaration of Independence display? Is this tone effective in conveying the importance of this document? Why or why not?

The tone of last paragraph of the Declaration of Independence is firm, sober, resolute, solemn, authoritative. This is the most important part of the text because it proclaims that from now on, the Colonies "are absolved from all allegiance to the British Crown." It's so powerful because the outcome is so ambitious and the cause - the cause of freedom - is so high and noble. Definitely, the tone conveys the relevance of the document.