Cual es la fase del desarrollo embrionario representada en III que ocurre en IV​

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.

the answer is d p: cell, q: organ, r: organ system, s: tissue

answerhomologous structures;