Which era of laws? Laws have changed over time.
Power William thought that the soviet union wanted to be the best nation out there so it was power that he thought the soviets wanted <span />
The Constitution does not directly mention secession, but the Supreme Court has consistently interpreted the Constitution to be an indestructible union. There is no legal basis a state can point to for unilaterally seceding. So basically, no, a state can not secede, it is blatantly illegal.
Boone is most famous for his exploration and settlement of what is now Kentucky, which was then part of Virginia but on the other side of the mountains from the settled areas.
There is no text? Just reread the text.