Explanation:
Habitat for Humanity is an informal group, because the organization came naturally into society. The group came about due to a large number of people wanting to volunteer that all share the same goal for the group. One of that biggest challenges that Habitat for Humanity might face would be the rising construction and material cost combined with a lack in funding for their projects.
The Harlem Renaissance began to emerge in the midst of an intellectual and social upheaval that eventually emerged and spread throughout the twentieth century African American community. Something that happened shortly after the North American Civil War that ended up generating a black middle class, something that greatly favored the emergence of jobs and better education for the descendant Africans.
Aggregate supply is best described as the total supply of goods and services that firms in a national economy plan on selling during a specific time period. It is the total amount of goods and services that firms are willing and able to sell at a given price level in an economy.
Slavery played an absolutely crucial role in the southern economy, which was almost entirely agrarian. This is why the South refused to give up slavery because they were so dependent on it.