Go one step further back. All of this would have been utterly impossible as recently as the 5s, 60, 70s, or even 80s.
The globalist US politicians decided to replace white America with a flood from India, the Middle East, Africa, South America, you name it.
Also the popularity of American Jews pursuing dual citizenship exploded.
Many forget Reagan stopped an Israeli invasion into Lebanon. US Marines physically prevented any further advances. He also shelled and bombed the Hezbollah side when they violated.
All of this has made Israelis and Moslems of all types push for massively more influence in America to support their side.
And of course, all of it leads back to Nixon replacing the gold standard with the Petro-Dollar. Before that, America had little interest in any of the sand people and their squabbles. The desire for massive government spending is the root of all the foreign middle eastern influence in America today.
"is the root", or is in response to all that foreign influence?
Our nation's ability to massively produce and spend has always been the enemy of the Left.
The communist and the Islamist have long shared a separate but parallel goal. Islam just happens to be a convenient and very useful idiot.
“And of course, all of it leads back”
The era of Woodrow KKK Wilson and Wm Jennings KKK Bryan was the single biggest jump in US history away from the Constitution and Common Sense.
The era of LBJ-Nixon was the 2d biggest jump. Everything we do since is a reaction to and attempt to adjust or live with the errors of these two periods in our history.