The enslaved people in Sparta were called Helots.
They were actually the majority of the people in the land dominated by Sparta, according to Herodotus, as many as seven times more than the Spartans.
They worked primarily in agriculture.
The Helots were regularly killed by the Spartans.
D.) I'm not sure but the early 20's was also including the Harlem Renaissance and most pictures were abstract. 'm not sure about my answer.
C) the exchange rate
This is when you go to another country and exchange your form of currency into that countries form of currency.
an example is that if you have 1 U.S. dollar and you exchange it for Canadian currency you would recieve $1.28 because the american dollar is worth more.
