Which organization created a rating system for hurricanes based on their intensity?

After the attacks of september 11, 2001, the united states demanded that

How was the storming of the bastille important to the french revolutiona) it forced the king to accept the people's demands for justice. b) it marked the official beginning of the french revolution. c) it compelled the government to treat people with respect.d) it exposed the french soldier's lazy attitudes and weak skills.e) it symbolized the constitutional monarchy.

In 1819, what did the united states obtain from spain for $5 million?