Trade was the motivating factor. The silk road accross Asia was besieged by bandits & required bribes to a number of nations to transport goods to & from Asia. Therefore a sea route would be a much safer & less expensive means of getting trade goods to & from Asia.
It would be "members and supporters of CCP" who were <span>targeted during the white terror, during which thousands of people were murdered, since this was during the time of the post-Revolution in Russia. </span>
D. The spread of the Christian Religion after Constantine converted to it
Generally, the poem is a flashback to childhood as an adult.