Library of Congress – Federal Research Division, Asian Criminal and Terrorist Activity in Canada…
“ Commercial Activity The U.S-Canadian border stretches approximately 5,500 miles. It is the longest undefended border in the world, as well as the busiest; each country is the other’s largest trading partner. In terms of proximity, about eighty percent of the Canadian population lives within two hours of the U.S.-Canadian border, making it an ideal staging ground to conduct activities in the United States. ”
