What qualities did roosevelt have that made people believe in his ability to rule the nation and bring them out of the great depression?

Teddy Roosevelt was an independent, determined man. He was very confident. His maxim, "walk softly and carry a big stick" had the idea that: by being cautious and non-aggressive, but willing to attack if the need arises, we would be able to stay away from war. He was a natural leader, he led NYPD, he was the governor of New York, and vice president. He was futuristic. He had high moral standards.

following type of cultural development caused people to want and buy new products on the market :

industrialization