A divided America remains a wealthy America, and a postsecession America would be wealthy enough to retain a defensive military. Moreover, it's even cheaper to maintain an effective nuclear arsenal than to keep up a large conventional military.
Rather than representing “white supremacy,” the evolution of mathematics has been a globe-, race-, and culture-spanning collaboration of advancements, an ongoing development of more effective tools for anyone to use.
Protectionists are always wrong, but they're obviously wrong when it comes to "protecting" US goods from Anglosphere competition. Neither geopolitcal concerns nor fears of capital flight to "cheap labor" apply in this case.
Laws against incitement—much like defamation laws—are direct attacks on basic human rights and the freedom of speech. Both place nonviolent people in legal jeopardy merely for the "crime" of expressing opinions.
In a free society, peaceful citizens deserve the legal benefit of the doubt. In an age where government agents have endlessly intruded onto people’s land and into their emails, citizens should not be scourged for transgressing unknown or unmarked federal boundaries.