It said that as of January 1, 1863, all slaves in the rebellious states "shall be, thenceforward, and forever free." This was issued by Lincoln to preserve the nation into a battle for human freedom.
Answer:
Europeans exploring and settling North America in the 16th and 17th centuries brought smallpox, measles and influenza, diseases usually associated with domesticated livestock. Native Americans, who generally were in better health than Europeans, did not keep livestock and had no immunity to these diseases.
Explanation:
