As millions of Americans continue to waver about the presidential election, Catholic Church leaders have been trying to make one thing clear: Candidates who support abortion should not be an option for Catholic voters.

A new column by J. Marsolo at American Thinker recently explained why Hillary Clinton’s position on abortion alone should be enough to convince all Jewish and Christian voters not to vote for her.

“While there are numerous issues, such as Hillary’s corruption, emails, Benghazi, and others that have been discussed at length here, if we analyze the election solely on abortion, then the issue of abortion should prevent any true Catholic from voting for Hillary,” Marsolo wrote.

“It is basic Catholic teaching that abortion is evil,” Marsolo continued. “So if abortion, the killing of an unborn child, is evil, then there is no rational way for a Catholic voter true to his faith to vote for Hillary, because she supports abortion. We are killing an unborn child. This is not just a religious belief. It is a fact based on science and logic. There is no question that regardless of the term you use, it is an unborn child who is being killed.”

Clinton and her running mate Tim Kaine, a Catholic, both are pro-abortion. The abortion business Planned Parenthood recently called Clinton its “champion” and implied that she could replace President Barack Obama as the most pro-abortion president in U.S. history.

Clinton promised Planned Parenthood that she would try to repeal the Hyde Amendment and force taxpayers to fund abortions. She also promised to nominate U.S. Supreme Court justices who will ensure that Roe v. Wade and abortion on demand up until birth remain the law of the land for years to come.

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Kaine is a self-professed Catholic, but his political record is pro-abortion. As LifeNews previously reported, Kaine said he is a “strong supporter of Roe v. Wade.”Kaine also voted as a U.S. Senator to allow government funding of abortion providers, and he voted against legislation to require an abortionist to notify at least one parent before performing an abortion on a minor girl from another state.

Kaine and Clinton are not alone. The Democratic Party as a whole has begun marching in close step with the abortion industry. The new party platform calls for abortion on demand, taxpayer funding of abortion both in the U.S. and overseas, and more.

Marsolo pointed out: “Abortion ‘rights’ is a central belief of the Democratic Party platform. Every Democrat politician must bow, and Catholic pols must genuflect to the Democrat sacrament of abortion. There is no diversity of opinion in the Democratic Party on abortion.”

Being “personally pro-life” doesn’t cut it either, Marsolo wrote. Kaine, Clinton’s running mate, calls himself “personally pro-life” and a Catholic, but he does not show it in his politics.

Marsolo wrote: “Catholic, and other Christian, Democrat politicians follow the Mario Cuomo excuse by saying they personally oppose abortion but will not impose their religious beliefs upon others. But voting for Hillary is voting for the candidate who supports abortion, thus you are supporting the existence and expansion of abortion.”

Marsolo is not the only voice trying to get the message to Catholics. The leader of the Knights of Columbus, a Catholic fraternal order, recently emphasized how important the abortion issue should be to Catholic voters. During the international convention in Canada, Chairman and CEO Carl A. Anderson said abortion, which has claimed more than 56 million unborn babies’ lives in America, should outweigh all other issues for Catholic voters.

“What political issue could possibly outweigh this human devastation? Abortion is different. Abortion is the killing of the innocent on a massive scale,” Anderson said. “We need to end the political manipulation of Catholic voters by abortion advocates. It is time to end the entanglement of Catholic people with abortion killing. It is time to stop creating excuses for voting for pro-abortion politicians.”

Bishop Thomas J. Tobin of Rhode Island also stressed the importance of the abortion issue to voters in April.

Tobin wrote, “… I encourage faithful Catholics to vote pro-life – and never to vote for any candidate, of any part, who supports abortion. And don’t be fooled by those who say they ‘aren’t pro-abortion, but are just pro-choice.’ It’s a smoke screen for what they really believe, but are afraid to admit. After all, what kind of choice are they promoting?”