How long does it take the earth to rotate on its axis

23 hours 56 minutes and 4.0916 seconds or just 4 seconds

The truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey