Africans were brought to Trinidad as a part of the Atlantic Slave trade. First slaves were brought around 1517 and slavery was abolished in 1834, and most of the Africans in Trinidad came during this period.
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The correct answer for your first question is: Dept. of State, which advises the President and is equivalent to the foreign ministry of other countries. It also represents the country in International affairs.
Regarding your second question “the department of state is the lead federal agency and oversees u.s. government coordination and support to a host nation's internal defense and development/coin efforts?” The answer to this question is: yes, that is correct.
I think traditional cuz they do it based off of past generations
