Answer:
Federal troops began entering the state in late May 1865. Their commanders believed that their duty, at least in part, was to ensure loyal government and to protect the rights of the blacks who were free as a result of the war.
Explanation:
Im not sure if this is 100% right, but I'm pretty sure this was the reason. Hope this helps.
The hardship that they faced was death cancer
They played the British empire and the French empire again st each other by sighing each others treaties both. This counterbalance both of the powers that if one tries conquer Thailand, the other will try to stop it.
I just answered another of these questions, and the answer is The Bill of Rights.
