What reason would hoover have for being opposed to large scale government involvement in the economic lives of america

He believe in rugged individualism.

Explanation:

Rugged individualism is a belief which view that in order for society to survive every body should fend for themselves without the help of any institutions.

Because of this belief, he see government involvement in the economy (such as welfares, relief, etc)  is considered as a "Hand out" that will deteriorate the quality of United States labor force in the long run.

Even when United States was experiencing the Great Depression in 1920s, Hoover still reluctant to create programs that provide some sort aid to the citizens.  Because of this, he ended his presidency with one of the lowest approval ratings in US history.

the image shown is not a reliable source. it is not a photograph taken of the event, and it is not a painting created by someone who witnessed the event. the image can be considered yellow journalism because it is sensational and exaggerated. the explosion did not likely cause bodies to fly in the air or create a large fireball, as shown here. the image was created to make the american public angry about the explosion, not to show what actually happened.

the painting is not reliable.

the painting is exaggerated.

the painting is inaccurate.

the painting was created to make the public angry, not to show what really happened.