How was water transportation improved in the 1800’s

An economic system where all or most businesses are owned by government

Compare and contrast the philosophies of constitutionalism and the divine right of kings. which has the greatest impact in the formation of the us constitution?

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.