6. California’s official nickname is the ______ ? A. Sunflower State B. Golden State C. Land of opportunity D. Evergreen State 7. ___has the largest population in the USA. A. California B. Alaska C. Washington D. Texas 8. California entered the Union on September 9, 1850, as the ______state. A. thirtieth B. thirty-eighth C. thirty-second D. thirty-first