Compare Canada and the United States.

Canada and the United States share many common cultural features. This is not surprising, as these North American neighbors developed as countries after breaking ties with England. However, their governmental systems are markedly different.
Canada’s independence came roughly a century after the United States’ independence, though England did not officially recognize Canada's independence until 1931. Unlike the United States, Canada did not break all ties with England (you will find a portrait of Queen Elizabeth on the Canadian dollar bill).
While the United States' government is led by a President elected by the people, Canada’s Prime Minister does not have to be elected—he or she can be appointed by a Governor General representing the English monarchy. The United States elects a President every four years, but there is no term limit for the Canadian Prime Minister.
The three branches of the United States' government (executive, legislative, and judicial) were designed to balance each other out and to prevent any one group from becoming too powerful. In Canada, the Prime Minister has ultimate authority and can override any decisions made by the Parliament.
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https://www.indexmundi.com/factbook/compare/united-states.canada