You look out over a field of sunflowers. a farmer has grown the sunflowers to harvest and sell the seeds. some of the sunflowers are tall; some short. some of the flowers are bright yellow; others more multicolored. some heads are full of seeds; some are not full.

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.

in tropical forests it typically is hot with a lot of rain. when what is hot, it starts to evaporate and turn into water vapor.