That is just objectively false.
From 1935 to 1945, Baldwin, Chamberlain, and Churchill were Prime Minister. All were in the same political party, literally called the Conservative Party. It was right wing.
From 1932 until the fall of France, Lebrun of the Democratic-Republican Alliance was President of France. That was a fairly right wing party too.
Maybe you should actually read up on them.
From 1932 until the beginning of 1939 Chamberlain:
Import duties Act (1932) slapping a 10% tariff on everything imported into England (mostly to help pay WW 1 debt)
Passed the Unemployment Act (1934)
Slashed defense spending by over 50%
Coal Act (1938) nationalizing the coal industry
Passed the Holiday with Pay act (1938)
Housing Act (1938) that subsidized housing of the poor and working poor
In France...
The Republicans got separation of church and state passed and were radical Leftists. Don't let the name fool you, they weren't US Republicans.
In 1936, more than half of the French parliament seats were filled with racial Leftists, including out and out communists, socialists, and assorted other radical Leftists.
Many industries were nationalized, and industrial production took a nosedive. Rearmament didn't start until well into 1938 and then it was a cluster fuck of idiot bureaucrats and government setting design and production that resulted in lots of cost, shit equipment, and little getting made.