sentences:  He was instrumental in the revival of the Republican Party in Florida through the mid-20th century, taking advantage of the state's changing demographics and new Republican migrants from the North and Midwest, and attracting Cuban Americans and other minorities to the party.Beginning in 1964, Cramer represented the state for 20 years on the Republican National Committee and served as its counsel for six years.The long absence of Republican officials from state office and weakened condition of the party was due to suppression of black and Republican voting in the 19th century, and the disenfranchisement of African Americans at the turn of the century, as they had constituted the majority of the Republican Party.