Gatekeeping is both decreasing and increasing at it's own specific rate due to political democracy.
Because industry was booming more people moved to cities for jobs. So A. is a change that did NOT happen
The rest of the answers are changes that Happened
Answer:
15 points higher
Explanation:
The <u><em>Flynn Effect</em></u> is a phenomenon that the increase in IQ over the ages is an increase in <u><em>overall abstract problem solving</em></u> rather than actual intelligence, and are attributed to the environment in which younger generations are surrounded by compared to older generations. According to this effect an average 18-year old scored 15 points higher than that of someone 60 years ago.
**I had this question and studied the Flynn Effect in high school**
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Answer: Growth Domestic Product (GDP)
Explanation: GDP is the monetary value of all finished goods and products made within a country.