They had cleared out the balcony for the President.
Explanation:
When the theater had found that Lincoln would be attending there was not much that they could do as they had little time.
So they allowed for the balcony to be cleared first of all for his personal use only and for providing the space for his bodyguards there.
However, this would not prove to be enough as he would be eventually assassinated in that space only and it could have been harder for the man to do it in some place else.
It was harder to find jobs and less survival resources when moving to the coast. As America industrialized, the people started to migrate more towards the west especially when railroads were beginning to attach.
China joined the side of the Tripple Entente during World War I.
