The palace, which was located in Knossos, was... protected by a high wall surrounding it from invaders.
an army of soldiers surrounding the edges of the island.
protected by a navy - ships in the ocean surrounding the island.
all of the above

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.

this is a good question! i'll do some research and come back when i have the answer!