What is the exact process that transforms the child's utterances into grammatically correct, adult-like speech?

The brother of a presidential candidate writes an editorial in which he defends this candidate against charges of corruption. in such a circumstance, it is most appropriate for the reader to a) suspect that the candidate may have been framed. b) consider whether the candidate has the best family or not. c) wonder if the writer may be biased, due to his family connection. d) wonder if the writer may be inaccurate, due to wanting to get people to read his column. \

It was a bitter cold saturday morning ,the young track star dressed for his daily five mile run

How many lynching took place in the south between 1877 and 1950