During World War II, many Japanese-Americans were sent into internment camps thanks to Executive Order 9066.
After the attack on Pearl Harbor by the Japanese military, many members of the government and US citizens in general were paranoid that there would be another attack on America by the Japanese. To ensure that this attack did not happen, President Franklin D. Roosevelt signed Executive Order 9066. This allowed for the removal of individuals from military areas. After this, internment camps were formed for Japanese-American citizens.
Slavery started because people liked having other people work for free, so they enslaved others. They were brought by ships from Africa. They would usually work on farms and ranches. The jobs were different because of the climate. One type of climate made it possible to grow cotton, another to grow tobacco, another for crops, and so on. They were important because they were free. Since wealthy land owners didn't have to pay workers, they got extremely rich because they had almost no losses at all.
One would be the Great Wall of China, and another would be the Ming Tombs.
im pretty sure it C, due to the Etruscans metal working skills it fits best