Because they believed in hitler and him being right about what he believed
The United States's recession was for only seven months and eventually lead to the Great Depression in 1929. On the other hand, Germany was much harder due to their debts that are needed to be paid and that was because of the Treaty of Versailles that obliged the Germany to pay the Allied Powers its debt.
Laissez faire- government didn't regulate business nearly enough. Businesses could monopolize and jack up their prices. lack of government involvement is hurting america.
not too sure about business consolidates
big businesses becoming powerful- big business could swamp small businesses and raise their prices really high, but there would be no small businesses left for people to spend their money on a cheaper alternative