Is one argument against gradualism as an evolutionary model

Evolution used to be an argument against evolution and Darwin's theory was important for convincing people otherwise. He made five observations and three inferences regarding natural selection which helped his theory become widely accepted.

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