Around 220 B.C., Qin Shi Huang, the first emperor of a unified China under the Qin Dynasty, ordered that earlier fortifications between states be removed and a number of existing walls along the northern border be joined into a single system that would extend for more than 10,000 li (a li is about one-third of a mile) .
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The both were not in the 20th century
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Most states require that all electoral votes go to the candidate who receives the most votes in that state. After state election officials certify the popular vote of each state, the winning slate of electors meet in the state capital and cast two ballots—one for Vice President and one for President. Electors cannot vote for a Presidential and Vice Presidential candidate who both hail from an elector’s home state. For instance, if both candidates come from New York, New York’s electors may vote for one of the candidates, but not both. In this hypothetical scenario, however, Delaware’s electors may vote for both New York candidates. This requirement is a holdover from early American history when one of the country’s major political fault lines divided big states from small states. The founders hoped this rule would prevent the largest states from dominating presidential elections.
Explanation:
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Political: Politics of Ghana takes place in a framework of a presidential representative democratic republic, whereby the President of Ghana is both head of state and head of government. Executive power is exercised by the government. Legislative power is vested in both the government and Parliament. Economical:The economy of Ghana has a diverse and rich resource base, including the manufacturing and exportation of digital technology goods, automotive and ship construction and exportation Social: Most people used rags as clothes, and lived together with all of their family. When kids in ancient Ghana became teenagers the were taught by their uncles. Many people in Ancient Ghana grew their own crops and had enough to trade for other things. The climate was hot and dry.
Answer:
If you're asking about the decline in the indigenous population after the arrival of European settlers in the Americas, then five factors are as follows:
1. Diseases brought by Europeans decimated the indigenous population, since they had no natural immunity to viruses such as smallpox.
2. Many indigenous people were killed by the settlers, as they where no match for the guns and horses that the Europeans brought.
3. Many natives where forced into slavery and terrible living conditions, causing further death.
4. In some cases, the European conquers turned the indigenous tribes against each other, inciting further violence.
5. The displacement of Native Americans by settlers as they pushed further and further into the continent also resulted in a decline in the population.
