Complex sentence: While the Canadian government's official ties to religion, specifically Christianity are few, the Preamble to the Canadian Charter of Rights and Freedoms make reference to the supremacy of God., The national anthem in both official languages also refers to God.
Split into simpler sentences: While the Canadian government's official ties to religion, specifically Christianity are few, it more overtly recognizes the existence of God and even the supremacy of God. Both the preamble to the Canadian Charter of Rights and Freedoms and the national anthem in both official languages refer to God.