The answer is B. the Japaneses attack on Pearl Harbor
The middle class were people who were educated and could have open companies or knew how to run companies for rich investors. The working class was the class that would do the physical part of the manufacturing process in the industrial revolution. This enabled the middle class to earn some wealth and establish itself.
Answer:
The Great Migration, sometimes known as the Great Northward Migration or the Black Migration, was the movement of 6 million African Americans out of the rural Southern United States to the urban Northeast, Midwest and West that occurred between 1916 and 1970.
The immediate reaction of the Japanese people to end the isolation was to be angry and they saw it as a sign that the Shogun was weak, causing a civil war. There were also external pressures that led Japan to make the decision to end the isolation, as: many countries wanted to trade with Japan, Commodore Perry and the United States offer promises. Also internal pressures such as: natural catastrophes that make rice scarce, causing hunger and death with riots in the city.
In medieval Europe, the church ruled over everyone. they had control over the serfs, the peasants, and many others.
