Chekhov's writing style can best be described asa. rigid and partial.b. descriptive yet brief.c. argumentative yet fair.d. unbiased and insightful.

Based on the given excerpt above  from President Kennedy's Report to the American People, President Kennedy structured this excerpt by using cause and effect to explain the events in Alabama. The cause is the series of threats and defiant statements, the effect is that, he required Alabama National Guardsmen. Hope this answers your question.