the scientific classification of stingrays

From a
Immeasurable array
Of rooftops
We've built
A new
Ocean
Bound by splinters!
Splinters

How long
Has it
Been since
A president
Got a-
Sassin-
Ated?
Assassinated

All that
Collects to
Catalyze
Such drastic
Action
I could
Not allow
To accumulate in me
I tell myself at least

Wash it
Down with
A rifle
Or a
Uniform
Of gasoline
Leaves nothing
For the flies