Answer:
In August, prominent physician Benjamin Rush, signer of the Declaration of Independence, long considered the father of American medicine, described an “unusual number of bilious fevers, accompanied with symptoms of uncommon malignity.” He concluded that, “All was not right in our city.”
The main goal of the legal system is "To keep law and order." (B)
For example, this quote states that "The legal system is a procedure or process for interpreting and enforcing the law."
Sharecropping, agricultural depression, the widespread infestation of the boll weevil, and flooding also provided motives for African Americans to move into the Northern Cities. The lack of social opportunities from Jim Crow laws also motivated African Americans to migrate Northward.
The correct answer is B.
The Korean War was fought between 1950 and 1953. It was considered a proxy war in the major conflict known as Cold War, that confronted the Eastern bloc of communist countries leaded by the URSS and the Western bloc of capitalist countries headed by the US.
When the Korean War started, the country had splitted in two halves and North Korea attempted to invade South Korea. The communist North was supported by the URSS and China while the South was supported by the US.