Choose the sentence that is correctly punctuated.
a.
this article argues that there are some interesting similarities between lincoln and kennedy's assassinations.
b.
this article argues that there are some interesting similarities between lincolns and kennedys assassinations.
c.
this article argues that there are some interesting similarities between lincoln's and kennedy's assassinations.
d.
this article argues that there are some interesting similarities between lincolns' and kennedys' assassinations.

C.  This article argues that there are some interesting similarities between Lincoln's and Kennedy's assassinations.

Explanation:

When talking of something in the possessive noun, it is mandatory to indicate the apostrophe s ('s) in the primary noun. So, for the above sentence to be grammatically correct, we will have to add 's to both Lincoln and Kennedy as they comprise of separate persons.

This article argues that there are some interesting similarities between Lincoln's and Kennedy's assassinations.

The addition of the 's in the respective names of the two men indicate their respective assassinations.  

fears about being blown up

answer: a lonely woodcutter comes by and decides to chop down the tree, while chopping, connor murphy took a nap next to the tree. waking up from the sound of chopping, he notices the tree falling on him. unable to escape, connor get hit and dies. this was the last of him.