The correct answer to this open question is the following.
You forgot to include the options for this question. However, we can answer the following.
The Nubian people came from the African savannas south of the Sahara Desert.
The Kingdom of Nubia was large. It extended up to ancient Egypt for a while. Indeed, according to history, Nubia ruled Egypt for approximately 100 years.
Nubia became very rich due to the exploitation of mane raw materials and natural resources such as gold. They had gold mines that traded with other regions. They also traded ivory, salt, and incense. Later, they traded a lot of goods with the Egyptians.
Around 5,000 BC, the Nubian people started to move up north to the Nile to get the many benefits of living close to the Nile River.
The answer to this question is DNA replicates by a template mechanism or should have a replication machine. Watson and Crick suggested that all organisms must reproduce their DNA with exceptional correctness before each cell division.
William Lloyd Garrison: Garrison started a publication called “The Liberator”, which supported the immediate freeing of all enslaved men and woman.
Susan B. Anthony: Was an author, speaker, and woman’s rights activist who supported the abolition Movement. She is revered for her diligent efforts in fighting for woman’s rights to vote.
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
Allies allowed the Soviet Union to join them when they knew full well about Stalin's tactics because Great Britain and France really knew that they alone, could not stop Hitler's troops from invading France and then the British territory.
Winston Churchill and Charles De Gaulle knew that although Joseph Stalin was a tyrant and a dictator, he ruled over a great land with supplies and had the kind of strong men in its army that could be of great help to contain the Germans.
That is how, the three allies with the help of the United States army, could devise a plan to retake North Africa to invade through Italy (the Axis troops had occupied North Africa), invade France from Britain and Germany from the Soviet Union. Once done that, the United States Navy with the help of the Allies could attack and defeat Japan in the Pacific.
The correct answer is the "Confederate States had superior military leadership for the war."
Answer one is in incorrect because the North had more railroad mileage, citizens, and industry. The only real resource advantage the South had over the North was production of cotton.
Answer three is incorrect because many powerful European nations like Britain and France never formally recognized the Confederacy as an independent country (aka separate from the Union).
Answer four is incorrect because slaves did not work as spies for the Confederacy. Instead, they worked for the Union as spies, as they felt a Union victory would result in their freedom from the institution of slavery.
Therefor, the only correct answer is the second statement.