He means it's a devotion to a political party. A commitment to some type of purpose. hope this helps!!
The Five Pillars of Islam are the bases of the Islam religion. Denying them intentionally will have any Muslim removed from the religion. The Ten Commandments are the basic rules that God gave His people to live by, but if broken or not followed you will be forgiven and not removed for your religion.
The key waterways in the south during the civil war were: Mississippi,Ohio and Tennessee rivers
Both side aware that controlling these rivers would cut down oppositions food and weaponry supplies along with limiting the opposition's ability to mobilize. The union army managed to leverage on this situation better than the Confederates, leading to the union's victory during the civil war.
There were several causes that lead to the Cold War. The most important ideological conflict was that the Soviets believed in Communism and rest of the worl including United States of America disliked Communism. Soviets were against capitalism and the Americans were in favor of capitalism. The Soviets were also afraid of the nuclear bombs that United States possessed during that time and it was a grave security concern for the Soviets.