Reluctantly after trying appeasement (which was a massive failure) Britain and France had to honor their promise to defend Poland should she be attacked. When she was, Britain and France declared war on Germany.
If i remember correctly, there was a certain canal that the british wanted control of.
They are fearful about "runaway" conventions making unwanted changes.
The process of constitution change is a political process and therefore there is always a risk of run away conventions coming up with unwanted and sometimes undesirable changes.
Prohibition, the attempt to halt the sale and consumption of alcohol in the 1920's, was unsuccessful. Americans continued to buy and drink alcohol supplied through a wide network of organized crime.
