Read the paragraph. In Iroquois villages, extended families known as clans lived together in large wooden structures called longhouses. Longhouses—some of which were as much as 150 feet long—were rectangular shelters the Iroquois built for protection from long, cold winters. Each clan was named for an animal or a bird, such as a turtle or hawk. Longhouses were the center of communal life for the Iroquois, and they are sometimes called the “People of the Longhouse.” The residents of a longhouse worked together in dividing essential tasks, such as hunting, farming, and weaving.
 Which statement is the best summary of this paragraph?
Longhouses were an important feature of Iroquois villages.
Longhouses protected clans during long, cold winters.
Longhouses were made of wood and housed many people.
Longhouses housed clans, and each clan was named for an animal or a bird.