"d. threats of violence against friends and/or family members to sway a citizen's vote" would violate the <span>notion of a fair and free election, since a person should be able to vote for whomever they wish. </span>
Last one because everyone started building navies, so everyone else started building navies in order to defend against other navies.
Outlawed slavery in the territory
D. The Sudras were farmers while the Kshatriyas were workers.