According to windows2universe.org:
"Surface ocean currents are primarily driven by winds. Deep ocean currents, on the other hand, are mainly a result of density differences. The thermohaline circulation<span>, often referred to as the ocean's "conveyor belt", links major surface and deep water currents in the Atlantic, Indian, Pacific, and Southern Oceans." </span>
1. Speed
2. Accuracy
3. Storage capacity
4. Versatility
Answer:
B. Full control of the Mississippi River for quicker trade
Explanation:
Without a doubt, one of the main geographical advantages that the U.S. obtained with the Louisiana purchase was the complete control of the Mississippi River, and the rest of its basin.
This was important because the Mississippi is a very large river that can be easily navigated during most of the year, something that made trade easier. Besides, the land around the Mississippi river is some of the most fertile in the world, specially in the areas around what is now Iowa and Illinois, two states that are part of the agricultural hinterland of the United States.
Explanation: Wealth is a better tool to gain power because,
the more wealthy people can for example, do more. They can get out of any situation with their money. They can literally become president, just because they have money and now power to do things than what a poor president could do. They can also accomplish more things with their money, and even get more money from that as well.
I hope this answers your question.