Emancipation Proclamation of January 1, 1863, freed all the slaves in rebellion areas. The acceptance of black men in the navy and Union army are also proclaimed. Emancipation Proclamation also persuaded the abolitionists in the North to Lincoln's side and gave him the advantage he needed against the South. The Gettysburg address is declared more or less that we are a unified nation, and not separated fighting against one another.
The Congress accepted Smithson's bequeathed and pledged to the United States for a charitable trust. After many years of debates, an Act of Congress that was signed by President Polk, stating that Smithson's money will be used to establish the Smithsonian Institution. Since its founding until the recent, Smithsonian Institution became one of the world's largest museum.
Hello there!
Pluto happens to be the of the largest member of the Kuiper belt. It is also the largest and second most massive known TNO. It is surpassed only by one other planet, known as "Eris" in the scattered disk.
I hope this helps you!
~DL