D. When the United States acquires a new territory
If you need an explanation then I will tell you one if you want.
I hope this helps! ^^
Answer:
It's large size, which made it difficult for the Union to conquer.
Letter A is the answer...but I’m not really sure
D. The creation of Israel led to several series of conflicts between the Palestinians (the original inhabitants of the land) and the Jews (the newcomers). These conflicts have continued to the present day
