What happened when the European and Native American civilizations met?

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. Europeans were used to these diseases, but Indian people had no resistance to them.

Explanation:

food and resources were plentiful.

women were encouraged to marry later in life so they could work in factories.