Answer:
Thomas J first lewis and clark 2nd haiti last
Explanation:
There is a role for the United Nations still as a Peacekeeper in today's world because they can't necessarily force a country to make or keep peace but they can go to a country with a smaller war going on and slowly make peace and as they progress with the small countries they can move onto the bigger countries to make peace.
They build many boulders in specific constructions. They also kept a good organized community.<span />