The correct answer is A) people had nothing to trade because only the emperor owned property.
Trade wasn't an important part of the economy of the Inca because people had nothing to trade because only the emperor owned property.
The Inca were one of the most important civilizations in South America in Prehispanic times. They settled in the mountains called "Anders" in Peru and built the impressive city of Macchu Pichu. People lived in modest houses made of stone and as they lived in the mountains, they worked as farmers to make a living building "terraces," portions of flat land where they could grow crops.
Answer:
Gas masks used in World War One were made as a result of poison gas attacks that took the Allies in the trenches on the Western Front by surprise. Early gas masks were crude as would be expected as no-one had thought that poison gas would ever be used in warfare as the mere thought seemed too shocking
Because Spain is stupid of course
C.) is the corrcet answer HOPE THAT HELPED