How did Lincoln refine the concept of unity over in his First Inaugural speech?

Lincoln refined the concept of unity over in his First Inaugural speech by his promise to not interfere with certain institutions in certain parts of the country such as that of Slavery. He promised to allow things remain that way in parts which supported slavery and parts which opposed it.

He however maintained a very firm stance against secession and the seizure of federal property.

the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering