The answer is B. Wattle and Daub
Wattle and Daub was used by the Mississippian Indians in the region now known as the Southeastern United States. These tended to be one-room
They visited Mecca to worship their gods.
Assuming you're referring to World War I, the main reason why many workers participated in strikes following the war is because the country had "de-mobilized" from the war, meaning that there were fewer jobs and lower wages.