The United Kingdom has a total area of approximately 94,000 square miles. It consists mainly of lowland terrain but has mountainous regions in the north, including the Cumbrian Mountains and limestone hills. The largest body of water is Lough Neagh. English is the main language spoken and most people practice Anglicanism. The three main political parties are Labour, Conservative, and Liberal Democrats. Soccer is the most popular sport. Traditions include opening presents on Boxing Day instead of Christmas and celebrating the Imbolc Fire Festival in February. The British Army has traditionally been an ally of the United States in past conflicts.