What is the process that the cell uses to regulate the cell cycle?

Cell-division  control  affects many aspects of development.  i believe this is the answer.

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