HELP!! Please hurry!? #2

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.

When many cultures come together to live in a society, this is called: cultural traits multiculturalism perspective

Arecent challenge to the european union created by a member state is?