Answer: B is correct.
Explanation: example of that: USA between two wars is sometimes described as a country practicing policy of isolationism (Harding, Coolidge, Hoover). ...especially in relation to Europe.
(2) political instability
the treaty of versailles is what ended world war I, germany was faced to pay reparations, take the blame, have their army shrunken, and lost territory. because of these four things, germany began to become unstable
i hope this helps!
