What region did the Union fight for?

It was fought between the secessionist Southern states, called the Confederacy, and the remaining parts of the United States, called the Union. The Union consisted of the Northern states, as well as all the states and territories of the West with the exception of Texas.

the answer is title i subtitle b

1. darius the great     persia  

2. piankhi       nubia

3. ezana       aksum

4.     nebuchadnezzar     babylonia

5. shalmaneser iii     assyria