The main reason why the US Senate is often called “the greatest deliberative body in the world" is because it allows each state to have an equal say in legislation regardless of the state's size, which is a powerful function.
The constitutional principle that was the main focus of the north south conflicts that led to the civil war was the right to own property, since many people in the South felt that slaves were included in terms of "property" that could not be taken away.
Greek were very connected to the sea. They took advantage of living by the sea. They were fishermen, sailors, traders and more.
This is false. There were several Five Year Plans in the Soviet Union, but the original Five Year Plan was pursued by Stalin, who sought to collectivize the agricultural system in order to speed up industrialization.