Answer:
the answer is the last one
<span>They thought they had to win only the good will of the people while they ignored military strategy.</span>
In my view, environmental changes often lead to global migration, because people need particular conditions to live. So the most suitable option is: <span>A. Environmental changes forced people to migrate to other areas. The number of environment migrants still grows and by 2050, in about 200 million people will leave their homes because of environmental changes.</span>
The answer really depends on which of the 13 Southern states you are referring to. Each state issued their own Ordinance of Secession, in either 1860 or 1861. Hope this helps.
