Answer:
government, job specialization
Based on the results of cross-sectional intelligence testing, <u>younger </u><u>generations were considered to be</u><u> smarter</u><u> than older ones fo</u>r the first half of the twentieth century.
According to the research, it should be noted that intelligence increases in childhood. It then peaks in adolescence then it gradually decreases as one grows older.
The article further stated that younger people are smarter than older ones. Therefore, younger generations were considered to be smarter than older ones for the first half of the twentieth century.
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Geography played a major part in shaping the first civilization. It helped them develop in the Huange He Valley, where rich soil was good for farming.
In general terms, the Marshall Plan was "<span>b. a program to aid European nations and to promote prosperity and democracy," since it was believed that this would help stop the spread of communism. </span>
