Select the correct answer what kind of evidence is given in the excerpt of Lincoln’s first inaugural address? Again if the United States not a government proper but it association of states in the nature of contract merely can it as a contract be peacefully unmade by less than all parties made it one party to a contract may violate it break it or so to speak but does it not require all to be lawful rescind it?

the correct answer is:

this is an example of the writer telling through description rather than showing through dialogue.

sometimes writers like to explain explicitely what's happening instead of adding dialogues of the situations., which is the case in this passage,

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

they both lost a woman they loved named lenore

they believed they interracted with a talking raven

they became orphaned at a young age.