This answer is B , which is also correct on Plato.
Answer:
He traveled to the Americas for various reasons, one thing that Columbus did was in a way start the Columbian exchange where things such as food, plants, livestock, and diseases were spread into the Americas that were never there before.
The Great Schism was between the Roman Catholic Church and the Greek Orthodox Church.
The Great Schism refers to a conflictive religious event that occurred in 1054. In this conflict there was a mutual rupture and excommunication between the highest hierarch of the Catholic Church in Rome, the Pope or Bishop of Rome (together with the Christianity of Occident), and the ecclesiastical hierarchies of the Orthodox Church (together with the Christianity of the East) especially the principal of them, the Ecumenical Patriarch of Constantinople.
Cars became popular in 20th century. I think this is the right answer.
Norman Borlaug also known as the "father of the Green Revolution".
As an American engineer he is one of the key contributors to the revolution in agronomy. He was aided by international organizations to tackle low productivity levels in underdeveloped countries such as Mexico. There was a rupture to the traditional methods of harvesting that caused great numbers of starvation caused by famines.
The Green Revolution included developing high yielding types of cereal grains, modernization of irrigation infrastructure, expansion and improved of management techniques. There were also important changes concerning the distribution of hybridized seeds, synthetic fertilizers, and pesticides to regional and local farmers.