The reason for lack of support in England, of the colonies, was money. England set the economies up where raw materials were imported form the colonies and the industries of England manufactured the goods selling them manufactured goods back to the colonies. They even imposed a manufacturing tax on anything manufactured in the colonies. This manufacturing tax existed through too and was replaced by the GST. When the economics of this old system no longer benefited England they terminated the arrangement.
The Civil war had just ended in the US and the international boarder between the US and what is now Canada had not been settled. There was a very strong movement in the US --54 forty or fight emerged in the US.
This movement wanted the boarder at 54 degrees north 40 minutes which is roughly through the now community of McLeod Lake-nee Fort McLeod.
For their part England wanted to retain their interest land and saw the formation of a new country, loyal to them, as their way out. The problem for them was they had little or no presence in the area west of the great lakes except for the the coast of what is now BC. "Victoria & Westminster"
The mealtimes "PEI Nova Scotia & New Brunswick " were an economic disaster having lost their secure market in England, Upper Canada. "Ontario" was land locked in many respects and France had lost their interest in the new world. They lost Lower Canada at the battle of...