The Panama Canal cuts through

97 points what types of changes have been made in the united states to protect people from earthquakes? a. communities are no longer located along fault lines. b. building codes ensure that structures can withstand shaking. c. warnings go off when an earthquake is expected, and people evacuate the area. d. barriers have been built to prevent flooding by a tsunami.

What is another name for the spanish navy in 1588? a) spanish royal fleet b) spanish armada c) spanish yacht crew d) spanish tall ships

Which powers best complete this graphic?