What was great britain’s role in banning the international slave trade?

they pay no income tax.

sparta had a government that had elements of a monarchy, an oligarchy and democracy. the government was headed by a dual monarchy with 2 kings that were drawn from the most prominent families. they performed and took care of military, judicial and religious functions. sparta didn't allow foreigners to hold government positions and they weren't as welcome as other residents. foreigners were sometimes forcibly expelled from sparta by their paranoid hosts.