Listed below are brief synopses of the duties typically associated with selected leadership positions.
President of the Senate.
President Pro Tem of the Senate.
Speaker of the House or Assembly.
Speaker Pro Tem.
Majority Leader.
Majority Caucus Chair.
Majority Whip.
Minority Leader.
It was "access to water" that directly helped early humans develop agriculture, since these water sources were crucial for the irrigation needed to grow the crops, as well as feed the animals.
Through the ruler/king/city-state leader. The Sumerian ruler had to show how he was divinely chosen for his ruling, so he oftentimes named himself the father of the country and had himself portrayed as the middle guy or messenger between the gods - they were polytheistic with Zeus, Hera, Poseidon, and others - and the people.
The Northern and Southern economies were very different in the decade prior to the Civil War.
Northern economy
At this time, the Northern economy was heavily influenced by industrialization. Northern cities focused predominantly on the development of manufactured goods thanks to the new organization systems and technological developments taking place during the middle of the 19th century.
Southern economy
The Southern economy was dominated by one cash crop, cotton. Cotton became "King" at this time, as the invention of the cotton gin increased the profit plantation owners could make off this product. This resulted in the Southern economy lacking in industrialization and transportation networks, making it completely different than the North.