adding. 63a SDI {Reagan-era program, in brief}. Strategic Defense Initiative aka Star Wars . 66a CSA {Union opposer: Abbr.}. The Confederate States of America opposed The Union . 79a Mamie {First lady after Bess}.  Mamie Eisenhower and Bess Truman . 87a Olinda {Brazilian beach resort}. Olinda is one of the best-preserved colonial