Which would least likley be a cause of natural selection

Astudent wants to replace the underlined word to make the meaning more precise. which phrase would be the best replacement for the underlined phrase ?

Which of the following facts is true for the jallianwalla massacre, as discussed in gandhi's reponse to mr. pennington? a) all members gathered for the vaisakhi fair remained calm. b) general dyer made a verbal proclamation warning all members of the crowd to stay peaceful. c) children attending the vaisakhi fair were killed, d) anyone who tried to run away from the violence was able to escape.

Describe how the story of uncle pyotr in “a fateful journey” differs from the historical account of immigrants in “moving to america”