The belief in karma is said to

Karma means action, work or deed; it also refers to the spiritual principle of cause and effect where intent and actions of an individual influence the future of that individual. Good intent and good deeds contribute to good karma and happier rebirths, while bad intent and bad deeds contribute to bad karma and bad rebirths.

If someone says or does something to somebody or something on purpose, then they would meet the same fate or damage they caused. This is the result of the belief of Karma.

b: to eliminate competition from other farmers

answer; i believe the correct answer is benjamin harrison;