What are some ways I could begin to relate themes between George Orwell's 1984 and Kurt Vonnegut's Slaughterhouse-Five?

Though
's takes place in a future dystopia, like most other novels of thisgenre,
it is a projection or exaggeration of trends and events occurring in the author's own time. In
1949, when Orwell published the novel, Europe was recovering from the still-recent devastation
of World War II. The conditions of deprivationmuch of his future London is like the bombed-out
city that actually did result from the German blitzand the presence of regimes (the three
Superstates of Oceania, Eurasia and Eastasia) which represent an even more extreme version of
totalitarian rule than the Soviets and Nazis, show that 1984 is the
endpoint of man's violence and folly which have dominated the twentieth century thus far and
nearly destroyed civilization.

This is identical, in some sense, to the world
depicted by Vonnegut in Slaughterhouse-Five. The centerpiece of the novel
is the destruction of the German city of Dresden by Allied bombings in early 1945. When Billy
Pilgrim and the other prisoners...