<span>William F. Whyte used observation to study Italian street-corner men. He was a sociologist noted for his studies of urban sociology.</span>
Answer:
24 time zones. The world is divided into 24 time zones.
Explanation:
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The North realized that if it did not act swiftly, the Southern states might take the precedent of the Scott case as a justification for expanding slavery into new territories and free states alike. The South recognized the threat of the Republican party and knew that the party had gained a considerable amount of support as a result of the Northern paranoia in the aftermath of the decision.
Explanation:
The most destructive disease brought by Europeans was smallpox. The first well-documented smallpox epidemic happened in 1518. The Lakota Indians called the disease the running face sickness. Smallpox was lethal to many Native Americans, bringing sweeping epidemics and affecting the same tribes repeatedly.