In some countries, children are legally obliged to go to school until they are 14 or 15 years old, but may also work before that age. A child's right to education is threatened by early marriage, child labour and imprisonment.
The Straits of Mackinac separate this lake from its neighbor, Lake Michigan. The only one of the Great Lakes entirely in the United States is bordered by the Upper and Lower Peninsulas of Michigan, as well as bit of Indiana and Illinois, and there's a lot of shoreline along Lake Michigan in Wisconsin.
The lakes drain the large watershed via many rivers, and are studded with approximately 35,000 islands. The Great Lakes region contains not only the five amselves but also many thousands of smaller lakes, often called inland lakes. Of the five lakes, Lake Michigan is the only one that is located entirely within the United States; the others form the water border between the United States and Canada.