Which action caused the United States to engage in a "police action" on the Korean Peninsula in 1950? A) the collapse of South Korea's democratic government
B) the assassination of North Korea's political leader
C) South Korea's blockade of North Korea
D) North Korea's invasion of South Korea

Why was the battle of gaugamela an important turning point in alexanders conquest of persians empire

The 14th amendment overruled the supreme court case of dred scott vs. sandford. the landmark supreme court case determined which of the following points? a.slaves could not be citizens b.non-landowners could not be citizens c.blacks could not be citizens d.all persons born or naturalized in the united states vary differently in citizen status.

What was the purpose of the u.s navy's convoy system