Short answers, pulled from the story.
The name Atlantic Ocean first appeared in written records around the mid-sixth century BC, attributed to the Greek poet Stesichorus. He used the term to describe a sea beyond the Pillars of Hercules, which modern scholars identify as the Strait of Gibraltar.
The oldest oceanic crust in the Atlantic is up to 145 million years old and sits off the west coast of Africa and east coast of North America. This crust formed during the break-up of Pangaea that started in the central Atlantic during the Late Triassic and Early Jurassic periods approximately 200 to 170 million years ago.
Christopher Columbus reached the Americas in 1492 sailing under the Spanish flag six years after Vasco da Gama proved the Atlantic connected to India via the Cape of Good Hope. Pedro Álvares Cabral reached Brazil in 1500 following currents of the South Atlantic Gyre during his voyage to India.
The slave trade officially abolished in British Empire and United States in 1808 while slavery itself ended in Britain in 1838 and US in 1865 after Civil War. Between the 15th century and 1888 when Brazil ended slave trade an estimated 9.5 million enslaved Africans were shipped into the New World for agricultural labor.
Northeast Atlantic total catches decreased between mid-1970s and 1990s reaching 8.7 million tons in 2013 blue whiting peaked at 2.4 million tons in 2004 then dropped to 628,000 tons by 2013. Northwest Atlantic landings fell from 4.2 million tons early 1970s to 1.9 million tons 2013 showing weak recovery signs for Greenland halibut yellowtail flounder Atlantic halibut haddock spiny dogfish while cod witch flounder redfish showed no such improvement.