In 1794 Eli Whitney patented the cotton gin
Europeans carried a hidden enemy to the Indians: new diseases. Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians.
Answer:
The poverty threshold, also known as the poverty limit, the poverty line, or the breadline, is the lowest level of income considered sufficient in a certain society. The poverty line is generally determined by adding up the entire cost of all basic resources consumed by an average human adult over the course of a year.
