Which action most directly shaped earth into this landform

Into what landform you need to take a picture of questions and post it is it a volcano, a mountain, a river, a cave you need to make your questions very specific or you're not going to get a good answe

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