I'm afraid I couldn't give you a complete answer, or the answer that you're looking for, for this question regarding the Native-born Americans in 1860's since there is no map provided with this question. Try re-posting this question with the map on it.
Answer:The U.S. remained neutral until 8 December 1941, when it declared war on Japan in response to the surprise attack on Pearl Harbor the previous day
Explanation:
<span>About 56.7 million people
1/5 Americans</span>
Answer:
I dont know the second but the first answer is October 23, 1941,
Explanation:
Because that was the time in WWI and I sorta just know by having a big brain ;-;
Exact location is the answer