Is it common knowledge, or must it be documented?
choose common knowledge or needs documentation on the line before each example.
russia became a communist country in 1917.
in to kill a mockingbird the author intends the children's snowman to be a symbol.
pablo picasso painted abstracts.
u. s. presidential elections take place every four years.
"ask not what your country can do for you; ask what you can do for your country."
an analysis of the use of color in a da vinci painting

Common knowledge - Russia became a communist country in 1917. It is very well-known that the Russian Revolution started in 1917, abolishing the monarchy and creating the communist Soviet Union.Needs documentation - In To Kill a Mockingbird the author intends the children's snowman to be a symbol. This is referring to particular element of a particular book, and therefore would require further information.Common knowledge - Pablo Picasso painted abstracts. Most people are at least slightly familiar with Picasso's work. He is always a reference in terms of Cubism, collage, and abstract painting.Common knowledge - U.S. presidential elections take place every four years. You could argue that every American citizen is expected to know this.Needs documentation - "Ask not what your country can do for you; ask what you can do for your country." This needs documentation because the author of this quote (John F. Kennedy during his inauguration speech) is missing. Needs documentation - An analysis of the use of color in a Da Vinci painting. This sentence is also incomplete. Not only is it not a statement of fact, it is also lacking specifications such as which painting we are talking about.

Dshould be the answer