How did the introduction of mortgage financing help shape American cities after WWII? Group of answer choices Encouraged banks to open in downtown environments thus revitalizing American city centers Gave potential homebuyers loans as long as they could put 20%, and sometimes less as a down payment Gave potential homebuyers loans as long as they could put at least 50% of the cost of the house toward a down payment Encouraged home builders to construct homes in downtown areas, especially condos and town homes