Why the fall of Christianity? The status quo of the US was Christianity.
HISTORIC record:
1962 - Engel v. Vitale: removal of prayer in public schools by "supreme court".
1963 - Abington School District v. Schempp: removal of Bible reading in public schools by the "supreme court".
1973 - Roe v. Wade: "legalized" abortions by the "supreme court".
2013 - US v. Windsor: the "supreme court" struck down the defense of marriage act (DOMA).
2015 - Obergefell v. Hodges: LGBTQ won.
SOURCE of the historic record:
On how typical American 'pro life' positions circa 2020 has zero to do with belief in God --
Since young, I always loved to ask people probing and deep questions.
Just loved it.
Love doing that to people.
So, I did so with 'Christians' by the dozens. I have talked with and asked questions and listened to about about 80-100 church attenders
over many decades in
many different in churches/cities.
Most did not believe in Christ risen and doing miracles -- in other words, they didn't actually believe.
These were 'Christians' in the typical American way of using the word.
Fact: I was able to either hear directly -- e.g. "Christ was a wise man...." (shakes head 'no' in response to my question about did he raise the dead)... -- or easily get the implied meaning of their chosen wordings to often find out whether they believed.
Most didn't believe in most churches.
Does that help?
So, what you are referring to is really
"Christendom", and
not actually 'Christianity' in a sense of belief:
The word Christendom encompasses the Medieval and Renaissance idea of the central place of Christianity in the lives of nations, countries, states, and individuals. The definition of Christendom is a group of people or nations under a Christian set of morals and values.
--ChristendomCandace C. Shields)
Example: actual belief in God entails believing all infants that die will be under the Grace and Mercy and fairness of God -- not guilty of any sins of their own of course. Generally according to Christ already possessing the Kingdom of Heaven(!) --
Luke 18:16 But Jesus called the children to Him and said, "Let the little children come to Me, and do not hinder them! For the kingdom of God belongs to such as these.
See?
In modern American politics, what's typically called a
'pro life' political position in the typical modern way, circa 2020 -- only means merely pro birth alone, and does
not usually actually mean pro life for already living people in distress, etc. (e.g. such a person may have zero concern about refugees dying on the southern border, etc.) --
the so-called American pro-life political position typically has nothing to do with actual belief in God.
But, often, many such highly politicized people caught up in worldly political stuff and putting their faith/trust/hope/belief in various mortal human leaders may try to present that they believe in Christ or the Bible, or just are so used to such hypocrisy (empty claims without even listening to Christ) that they don't even have any awareness of the hypocrisy any longer. Not all. But too many.
Does that help clarify?