What Is the Action of the Gulf Stream

What is the action of the Gulf Stream?

A) Flows westward across the Atlantic warming the western coast of Africa
B) Makes local climates uniform so that Great Britain has the same climate as Greenland
C) Is the major Atlantic current that warms the Eastern coast of South America
D) Brings tropical Caribbean water to the East coast of North America and upper Western Europe
E) Is a source of "El Nino" and is a major fishing grounds