Nuclear bombing of the Japanese cities of Hiroshima and Nagasaki were two of the most striking and shocking moments in twentieth-century history. In addition to marking the end of World War II, the terrible events on Japanese soil impacted Japanese society, relations between countries, and the way the world's population came to view international conflicts. In the items below you understand the reasons of such impact on world geopolitics.
After the civil war, much of the ownership for land was unattainable for free slaves due to the government opposing the idea. Instead most African slaves had to become sharecroppers on plantations where they had previously been slaves.
The correct answer is Constantine I.
Constantine split the empire into Western and Eastern parts and established a new capital in the East: Constantinople (named after himself, but the city was before called Byzantium).
Before him, Diocletian split the empire into 4 different parts, but Constantine united these parts.
In time a fifth group was added to the cast system-- the untouchables is the correct answer.
The election of 1800 marked an election (the 4th US election) when the presidential control shifted to a different political party, and it was an advance in democracy.