The transatlantic slave trade began during the 15th century when Portugal, and subsequently other European kingdoms, were finally able to expand overseas and reach Africa. The Portuguese first began to kidnap people from the west coast of Africa and to take those they enslaved back to Europe.
The Spanish had been in the Southwest since the 1500s. They had created
chains of mission stations and fortresses called presidios throughout
the Southwest and up the coast of California (including Los Angeles).
France and Britain defeated germany in the battle of marne.
The answer is B child Labor