Why is it important that the Declaration tells from where we get our rights?

That to secure these rights, Governments are instituted among Men, deriving their just powers from the consent of the governed, –That whenever any Form of Government becomes destructive of these ends, it is the Right of the People to alter or to abolish it, and to institute new Government, laying its foundation on.  In other words, “to declare the causes which impel them to the separation. ... The list of 27 complaints against King George III constitute the proof of the right to rebellion. ... Join our fight, reads the subtext, and you join humankind's fight ... The most important and dramatic statement comes near the end.

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years