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.
Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam.
If someone wanted to help improve their sociability or another's it would most likely be useful for the person to C) talk to people twice a day. Improving social skills can be facilitated by increasing the interactions between people.
D. Allowing Texas into the Union would upset the balance of slave and free states in Congress. Though it soon became a state since Manifest Destiny was a very popular idea at the time.
Zheng He belongs to the Ming dynasty.