It was the Mayans who built an ancient civilization, in what is now Mexico and Central America. They had an incredibly advanced civilization but were overcome by European settlers.
I think that the only right option is c. Workers had easier jobs and shorter hours. It caused lower quality of production
Although reconstruction brought new educational opportunities to black Americans schools Were still largely segregated.
After Ionian Greeks in Asia Minor revolted, their relatives in eretria and others sent forces to help them. They captured the persian provincial capital of sardis, burnt it and destroyed the statues of the persian gods. Some greeks rebelled against him and helped there fellow greeks in the fight for asia.
The most common method of communication in ancient Asia is sending a messenger on a horse. There are transfer stations for horses throughout the continent that allows the messenger to switch to a new horse after covering some distance. Water transportation is also used for communication. In China during an invasion from the North, soldiers on the towers of the Great Wall of China would light up a torch and all the other towers would do that as well until it reaches the capital.