Crises and alliances often bring about great moments in history, and one such example would be the alliance system that existed after German unification in the 1900s.
I think it should be because diplomats is the representative of a nation and negotiating with other nations could be more easier if we're already friendly with the diplomat. Also the way we treat their diplomat is also the way of how we treat the nation he/she representing and it would add a good standing in the global status if we are respecting the diplomats.
B.) Caste System is the correct answer
A jury made up of colonists and Indians found three Wampanoag men guilty for Sassamon's murder and hanged them on June 8, 1675. Their execution incensed Philip, whom the English had accused of plotting Sassamon's murder, and ignited tensions between the Wampanoag and the colonists, setting the stage for war.