Although the Red Sea was parted, they were in the Sinai Desert for 40 years
Mount Everest. Just because it wasn't found yet doesn't mean it didn't exist.
Sovereignity means the supreme power or authority or could be a self-governing state. It also means that a state or a country has the full right and power of a government and is independent. It is a basic principle underlying the dominant Westphalian model of state foundation.
America has always stood out as the "free conutry". We are the only country to really have true freedom of speech. In the Texas vs. Johnson case, the court ruled that even something as controversial as burning the flag was still free speech. In other countries at the time, for example China, had just ruled that peaceful protesters could be killed.