What did John Brown do?

How much rainfall does the choco region of colombia receive each year a. less the 40 inches b. between 100 and 500 inches c. between 200 and 250 inches d. more then 400 inches

Which political principle is set forth in this quote from the declaration of independence? "that whenever any form of government becomes destructive of these ends, it is the right of the people to alter or to abolish it, and to institute new government "?

What raises and lowers each compartment on the panama canal?