Answer:
Right choice is:
b. to collect scientific and practical information of the land.
Explanation:
The main purpose of the expedition was to explore and map the new territory recently acquired, the Louisiana Purchase, find a route to the West and the Pacific and establish an American presence before Britain or other powers would do it. The secondary goals were scientific and economic: to get to know the flaura and the fauna and make trade contacts with the Indians.
<span>Archimedes’ screw most impacts the Agriculture. The screw was used mostly for transferring water in an irrigation system. It is also used for getting out the water in low area. Archimedes screws are also a big help in plants sewage handling because they manage better with changing amounts of water flow.</span>
The US supported the Iraq leader Saddam Hussein.