The Zimmermann Telegram What can you infer from the primary source about the purpose of this piece of literature?
How did the author intend for his work to be taken and used?
Was he trying to be controversial or calming?
How does it all influence the meaning of the piece?

explanation:

hi

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation:

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

the name of the theory is landmass theory.