The United States had several failed endeavors to conquer Canada to the north. This was mainly because of little preparation by the military and poor strategic planning.
it made many attempts but failed
Status quo ante bellum - The state in which things were before the war. The U.K. failed to conquer the United States, and the United States failed to conquer Canada.
Canada
There was a plan to have a three-way invasion of Canada. One from Detroit, one from Fort Niagara on Lake Ontario, and one from Lake Champlain in New York. All three failed. So they failed to capture Canada because the armies lost.
Kublai Khan failed to conquer Japan and Java.
The cast of Failed Attempts - 2006 includes: Tiffany Cherevko Damon Vinyard Brendon Williams
Kublai Khan failed to conquer Japan because of unfavorable weather.
Portugal
The Persian empire.
Portugal
American attacks consistently failed in Canada
true