Read Each Paragraph and Place [Brackets] Around the Topic

Short Answer

Read each paragraph and place [brackets] around the topic.
-El Nino, an occasional disruption of the ocean-atmosphere system in the tropical Pacific
Ocean, has important weather consequences for many parts of the world.Originally recognized by fisherman off the Pacific coast of South America, the appearance at irregular intervals of unusually warm water near the beginning of the year was named El Nino, which meant "the little boy" or "the Christ child" in Spanish.The name reflects the tendency of El Nino to arrive at Christmas time. Shipman, Todd, and Wilson, An Introduction to Physical Science, 11th edition