A pharmacologist is testing a novel compound that selectively activates nicotinic receptors in the basal forebrain. Which of the following conditions might this compound be most promising for? 

A patient is given a drug that blocks nicotinic acetylcholine receptors at the neuromuscular junction. What immediate effect would you expect? 

What was a key argument used by proponents of Manifest Destiny?

What was a significant motivation for American westward expansion in the 1840s?

The introduction of the revolutionized the processing of cotton and significantly boosted production.

Which invention significantly increased cotton production by making it easier to separate seeds from cotton fibers?

What impact did the completion of the transcontinental railroad have on westward expansion?

Which term is used to describe the concentration of wealth and power among a small number of plantation owners?

What was the relationship between cotton production and the international trade system during the early 1800s?

What was one significant environmental impact of westward expansion?