The term "culture" is equiavlent to the term " natural." Its what we "naturally" think, thus becoming a custom that is bid by, rather than shaped from the many diverse opinions.
This is just an opinion. Its how I see it. But I think you should take this level a big higher. Ive just shared with you some basics.
If you have any doubts, which im sure you may, please dont hesitate to say so. :) I hoped I helped you a little.
It good to stop every 100 miles or every 2 hours to take a break
Here are some points that could be used :
1. seceding would reduce the amount of resource that the nation as a whole had, so the federal government shall not allowed it to happen.
2. Many people in the population might not agree to the secession so the government had to protect their interest,
3. Secession make our nation become much more vulnerable to attacks, since foreign nations can leverage the separation to gain allied that close to us.