A 'life-threatening' Arctic blast is set to sweep through the US from today, according to the latest weather maps.

The largest country in North America by land area is Canada, although the United States of America (USA) has the largest population. It is very cold in the north, near the Arctic Circle and it is ...

During that time, the US was divided into 13 distinct colonies, which later grew and expanded into the 50 states we have today ... have historically divided North America (Canada is included ...