what single event in us history did the most to encourage and strengthen the world of organized crime

After fidel castro became the leader of cuba, many cubans moved to the united states. why did cubans leave their home country? a. job opportunities b. religious reasons c. political reasons d. educational opportunities

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.

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?