A formal agreement among competing firms is a Cartel.
Answer:The Board of supervisors has the executive power (governing the country, creating policies and overseeing departments - the last one is true at least in Los Angeles) but it also has legislative powers and even some judicial powers..
Answer:
I believe that the Atlantic slave trade contributed to conditions that eventually led to the Haitian revolution by resulting in African slaves making up the vast majority of St Domingue's population thus giving them strength in numbers to overthrow a slave system and form their own sovereign government.