The South continued to focus in agriculture. However, compared to the pre-civil war era, slaves were now allowed to make their own decisions. Most landowners have sold their lands. Slaves transitioned to paid laborers. They were given more freedom to choose the job that was made available to them during this time.
They wanted to push in North America because they knew that by gaining control over this continent or at least parts of it would mean a lot to the spanish crown and would also be rewared.
Hopes this helps:
Answer: C. Rachel Carson
Answer: The Bhumija style. (I'm pretty sure)
I think the answer is C because other choices doesn't really make sense. Especially choice A. Hope this helped.