jefferson submitted his "rough draught" of the Declaration on June 28. Congress eventually accepted the document, but not without debating the draft for two days and making extensive changes. Jefferson was unhappy with many of the revisions—particularly the removal of the passage on the slave trade and the insertion of language less offensive to Britons.
D) provide electrical power to poor and rural regions of the U.S.
I believe that would be the answer because this group constructed power plants and dams in the impoverish areas of the U.S. during the Great Depression. (Plus I just answered a question similar to this.. :D)
Hope this helps and sorry if I am wrong.
Answer- C
I believe 1,2,3 are correct.