Yes in 2008 Don Jr admitted the only loans they could get were from Russia.
1. In 2008, at a real estate conference, Donald Trump Jr. said:
"In terms of high-end product influx into the US, Russians make up a pretty disproportionate cross-section of a lot of our assets; say in Dubai, and certainly with our project in SoHo and anywhere in New York. We see a lot of money pouring in from Russia".
So we see that early the money was pouring in from Russia.
US banks were done with the Trump Crime Family.
2. Eric Trump's Alleged Comment
Golf writer James Dodson recounted a 2014 conversation with Eric Trump. According to Dodson, when asked how the family was funding golf course developments during the recession when U.S. banks were not lending, Eric Trump said: "We don't rely on American banks. We have all the funding we need out of Russia".
Eric later denied making the statement.
3. Then of course we have the coincidental fact that Trump's first and third wives were immigrants from Soviet bloc countries.