Who were the quadis? What did they do?

This was an order issued during the civil war by president lincoln ending slavery in the confederate states

Although china's total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation?

What is a key difference between the earliest works if history such as homers the odyssey and modern works of history 1.2.3