Choose the sentence that uses a semicolon correctly. 1.A political map shows established boundaries between territories; countries; states; and cities. 2.Because maps have existed for centuries; they are a great way to study how the world has changed. 3.A physical map is a common map; however, students can best use this type of map to study the land features of individual countries. 4.Because the New World had not yet been discovered by Europeans, some early maps show only these continents; Asia, Africa, and Europe.