It started in China in the early 1330's. The plague mainly affected rodents and fleas, but since China did trades with Asia and Europe, these countries were soon also affected.
In 1347, Italian merchant ships returned from the Black Sea to Europe. Many on board were already dying from the plague.
The fleas began to affect Europe's people, which allowed it to spread rapidly among the people.
The Bubonic plague was a period in history when Europe and much of the world's population was reduced.
The major effect of the teapot dome scandal was that many people in the United States lost their trust in the US government, since for the first time ever a Cabinet member was convicted of accepting bribes.
Natives lost control of land and independence, expanded population which resulted in famine, cash crops-displaced the food crops, which resulted in famine, natives died of new diseases like smallpox, thousands of people died because of rebellions
Ussr declared a blonde of allied sectors and West Berlin in June 1948 the Berlin blockade the cut
D is your answer for this