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.
Lake Superior is the largest of the five lakes by volume, and it is also the deepest and the coldest. The smallest and shallowest lake is Lake Erie. Lake Michigan is the only Great Lake that is entirely in the United States, and it is also the second largest Great Lake by volume. Together, these lakes span more than 750 miles and provide water for a variety of uses, including consumption, power and transportation, according to the Environmental Protection Agency.