"divide us from" is a perfectly acceptable phrase in written English.
You can use it to convey that something is separating two entities, either physically or emotionally. For example, "The deep chasm of hatred divided us from one another."
As for the proposed border wall, it would of course serve as a physical manifestation of the new régime's desire to divide "us" from "them".
The puzzle is that many of the big issues that used to divide us, from desegregation to foreign policy, are less incendiary today.
Addressing a crowd of 10,000, Obama added: "He reminded us that at this defining moment we don't have the luxury of relying on the same political games, the same political tactics that have been used in so many elections to divide us from one another and make us afraid of one another".
The trick is ascertaining which of these millions of variations divide us from them.
He wants to divide us – from the rest of the world, and from each other.
"Is it lost somewhere in the 8,000 miles that divide us from the scenes of these abominations?
The social contract traditionally divides us from our fellow man, and so we go about our business keeping mainly to ourselves.
"What the chimpanzee has done is to prove there is no hard and fast line dividing us from the rest of the animal kingdom," Dr. Goodall said Friday.
"What the chimpanzee has done is to prove there is no hard and fast line dividing us from the rest of the animal kingdom," Dr. Goodall said.
There are stories within stories, ideas within ideas, even images within images: a taxi that Serena and Haley take late one night has "on the screen that divided us from the cabbie… an advertisement for a taxi like this one".
Whether it was the substance of his speech or its rhythms and rhetoric, President Obama inspired several standing ovations, and a swarm to the rope line that divided us from him.
