What actions of clemenceau later cost him support? why?

As the situation worsened in early 1918, Clemenceau continued to support the policy of total war – "We present ourselves before you with the single thought of total war" – and the policy of. His 8 March speech advocating this policy was so effective it left a vivid impression on Winston Churchill, who would make similar speeches on becoming British Prime Minister in 1940.

The answer is corticosteroids