Answer:
Al-Rāzῑ is best known for writing about ✔ dangerous diseases
.
Ibn Sῑnā wrote ✔ The Canon of Medicine to describe the human body and treatments for disease.
Explanation:
did on edge
The depression was caused by a number of serious weaknesses in the economy. ... America's "Great Depression" began with the dramatic crash of the stock market on "Black Thursday", October 24, 1929 when 16 million shares of stock were quickly sold by panicking investors who had lost faith in the American economy.
<span>Unite the country-- Lincoln promised a transcontinental railroad during his campaign.
Lincoln believed the railroad was a way to unite the country which was his aim with the Civil War so it fell right in line with his plan for the war. The railroad would help supply western forts and settlements as well as bring resources from the west to the east more quickly. Most importantly it would connect the country creating a more united Union. </span>
Colloquial? I think. Hope this helps