The Gregorian calendar is currently used in the Western World, both as the civil and Christian ecclesiastical calendar.
Its original form was the Julian calendar (proposed by Julius Caesar).
The Gregorian calendar was introduced by Pope Gregory XIII in October 1582.
Answer:
a
Explanation:
supply and demand principles state that the consumer wanted amount is called quantity demanded and the job of the supplier is to fill that demand
I believe they’re referring to the Tuskegee Airmen. Here a link to an article about them https://www.google.com/amp/s/www.history.com/.amp/topics/world-war-ii/tuskegee-airmen