Human studies have reported developmental effects, such as CNS dysfunction, attention deficits, and minor craniofacial and limb anomalies, in the children of pregnant women exposed to high levels of toluene or mixed solvents by inhalation.
Contrary to popular belief, the expedition DID NOT begin in St. Louis, Missouri. The first entry in the Lewis and Clark Expedition Journals state that the journey began in Pit â¦ tsburgh, PA on August 30, 1803. Lewis, who had been assigned by Jefferson sailed down the Ohio River with supplies towards St. Louis.
The Lewis and Clark Expedition was considered a great success, and it did meet its official purpose, as it helped foster an American fur trade. And it also met the other various goals, especially by increasing scientific knowledge and providing more reliable maps. And the Lewis and Clark Expedition also strengthened a United States claim to the Oregon Territory, so the expedition did ultimately lead toward the settlement of the west. 1  The Timeline of the Lewis and Clark Expedition of 1804 to 1806. 2  Free Lewis and Clark Printable Worksheets and Coloring Pages.