The blank are five freshwater lakes in central north America, along the border between the united states and canada

The Great Lakes are five freshwater lakes in central North America, along the border between the United States and Canada.

The five freshwater lakes in central North America, along the border between the United States and Canada, are collectively known as the Great Lakes.

The blank you are referring to is the Great Lakes. The Great Lakes are a group of five interconnected freshwater lakes located in central North America, straddling the border between the United States and Canada. These five lakes are Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario. To find the answer to this question, you could have done a quick internet search or consulted a geography reference book. These sources would provide information about the Great Lakes and their location.