Process by which natural areas are converted into cities as the human population increases. A. erosion
B. deforestation
C. desertification
D. urbanization

I feel like it's B or C.. But mostly B its wrong then if C but if there both wrong then I'm so sorry.

search in internet u can get it

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.