Invasions

{Rough drawing of something labelled "shore" next to something labelled "sea" containing a couple of things labelled "pig"}

What does this represent?

(a) An event of 1962.
(b) Geoffrey's inability to draw.
(c) The rantings of a deranged madman.
(d) None of these.
(e) All of these.
(f) Somewhere in between.
(g) What was the middle one again?
(h) There is no (h).