I have no clue of "which of the following" because i cannot see the answers but,
The Great Migration, or the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from 1916 to 1970, had a huge impact on urban life in the United States. Driven from their homes by unsatisfactory economic opportunities and harsh segregationist laws, many blacks headed north, where they took advantage of the need for industrial workers that first arose during the First World War. As Chicago, New York and other cities saw their black populations expand exponentially, migrants were forced to deal with poor working conditions and competition for living space, as well as widespread racism and prejudice. During the Great Migration, African Americans began to build a new place for themselves in public life, actively confronting economic, political and social challenges and creating a new black urban culture that would exert enormous influence in the decades to come.
Paul Revere (a silversmith) used his profession as a mean of protest in the 1760s by creating engravings to promote colonial protests. (he created engravings to promote colonial protests.)
The Southern Ocean. It is located near Antartica in the southern hemisphere.
Answer: Economic means relating to economics or the economy.
Opportunity cost means: The loss of potential gain from other alternatives when one alternative is chose
Scarcity means: The state of being scarce or in short or in short supply; shortage
Demand: an insistent and peremptory request, made as if by right
Supply: make something needled Ir wantsd available to someone;provided
Explanation:
A. Companies compete with each other for business
All of the other answers can be safely eliminated since they are more characteristic of a socialist economy. Answer choice A also makes sense, considering that private companies in capitalist countries like the United States compete with each other for business all the time.