The Transatlantic Slave Trade started shortly after the year 1500. The first documented case of slavery dates back to Juan de Córdoba, a Spaniard, who brought one African Slave to the Americas with the permission of his Spanish Crown. The first country to send slaves to the Americas seems to be thus Spain, only a few years after the discovery of America.
I would say B. because if the wealthy person dies the will verifies who all the money would go to.
Venezuelan 305 billion barrels has the largest oils reserves of any country n the world with more than 300 billion barrels of proven reserves