1. The first main reason was the political deadlock .
2. The second main reason for the idea of Confederation was that a railway linking the colonies was needed to increase trade and move troops.
3. The third threat of the Americans expanding into British North America
4. Forth reason that some of the people in British North America that wanted to expand into Rupert’s land and the North-West Territories.
5.The fifth reason Great Britain wanted the colonies to be more self-sufficient
Key was inspired by the sight of a lone U.S. flag still flying over Fort McHenry at daybreak, as reflected in the now-famous words of the “Star-Spangled Banner”: “And the rocket's red glare, the bombs bursting in air, Gave proof through the night that our flag was still there.”
In the South Atlantic ocean, just off Ghana in Africa
The beginning of 1917 was a very turbulent period during the follow of events of the WWI. Germany announced in January, it would engage against any Allied shipping using its submarine force. In February of that same year the president Wilson told the Congress that the US had broken diplomatic relations with the German government.
In march of that year Germany sank five US vessels, contributing to the already unstable American society. The british propaganda in the US and the deep economical involvement with the Allies carried the country to finally enter the War.