I'm pretty sure it would be B, because the tensions between most groups are mainly to do with religious differences, especially relating to the belief of how many gods exist.
This slogan; small family, happy family, has encouraged the Indian population programs which had them limit families to one child - A. This was similarly to the one-child policy of China but was much less successful.
Answer: The plan was called a naval blockade, they planned to go down the Mississippi and they were going to overload the confederacy with naval forces on land.
Explanation:
Well they could be spread through cultural diffusion. Trade brought different groups of people together causing the cultural diffusion and the advances in technology caused trade.
Ultimately Lincoln was referring to the heavy task of forming a more perfect union, which the soldiers on the battle field had so valiantly fought for. Lincoln knew there was still much work to be done.