What was the primary purpose of sourthern implementation of black codes

Southern states enacted black codes after the Civil War to prevent African Americans from achieving political and economic autonomy.

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.