The correct answer is - African Americans left the south in large numbers to work in war-related industries.
In this period a large portion of the African American population in search of a better life migrated from the south to the north of the country. And since it was a war period, big portion of the jobs available were in the war-related industries, so most of them started working into this facilities to make a living for themselves and their families. This internal migration in the United States caused big changes on regional and local level throughout the country from demographic point of view.
The liturgy of the Eucharist includes the offering and the presentation of bread and wine at the altar, their consecration by the priest during the eucharistic prayer (or canon of the mass), and the reception of the consecrated elements in Holy Communion.
