The Republican Party has dedicated itself to using every possible method, no matter how unethical it is, to keep themselves in power, by curbing voting by racial minorities the poor, and college students, knowing they would be unlikely to gain the support of such groups in the voting booths.
So they have utilized gerrymandering to create districts that will always favor the white majority in as many congressional districts and state legislative districts as possible, although some such gerrymandering schemes have started to be repudiated by state and federal courts recently.
They have created as many barriers as possible to different groups being able to vote, as a result of the backtracking of the Supreme Court in 2013, on the enforcement of the Voting Rights Act of 1965 under President Lyndon B. Johnson.
And now, they are trying to mandate a 2020 Census question on citizenship, designed to insure that undocumented immigrants will not fill out the census forms, out of fear of deportation.
All this, being challenged, will lead to the downfall of a party that has lost all morality and ethics, and many decent Republicans and conservatives outside of government positions have already done so.
The future diversity of the American population toward a non white majority within about 25 years is certain, and the Republican Party is fighting a losing battle in that regard!