The first sentence although I believe the last one is also correct.
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:
I think it's "They were not open to the settlers' children."
Explanation:
I hope this helps! :-)
The answer is D because:
Mexicans are the largest number of immigrants in the US, accounting for more than 11%. Then comes China and India, and other countries in Asia.
Hope it helps!