What binds Canada and the United States together?

Canada and United States have shared geography, language, common interest, similar values and economic ties. These two countries have shared environment. This helps them work side by side to address environmental changes.
These two allies have an awesome trading relationship and Canada buys more goods in the United States than any other country. The trading relationship between the two countries helps them compete globally, eliminate barriers, support economic growth and grow stronger financially together.
Canada and United States have security and defense cooperation. This ensures cross border law enforcement, bolster cyber security and address threats early. The US is Canada's most important defense partner and ally. They have partnered since the Second World War in the defense of North America. They closely work together in support of international peace and security.
These two countries commit to advance clean and secure power, promote efficient transportation, show global leadership in addressing climate change, drive down short lived pollutants and protect nature.

The United States and Canada share more than a common border. Many people who live on the border live and work in both countries. People often travel freely between the two nations; the two nations are important to each other in terms of tourism as well. Canadian sports teams, such as the Toronto Raptors, play in American leagues. The two nations trade freely with each other through the North American Free Trade Agreement (NAFTA). The two nations share the English language and a common history of being British colonies.
The two nations have also fought together overseas. Canadian forces were present in World War I, World War II, and the Global War on Terrorism. While the United States does project its force more often than Canada, Canada is also a part of NATO and has sent troops when asked to do so. The United States and Canada share a very close relationship as well as a long border. This is probably one of the most important US diplomatic and economic relationships.