In which area did progressive attempts at reform succeed in the late 1800s and early 1900s?

a)political corruption
b)safer food and medicine
c)minority rights
d)length of workday

The area in which Progressive attempts at reform succeeded in the late 1800s and early 1900s was safer food and medicine. Option B is correct.

Progressivism is regarded as the support for or advocacy of improvement of society by reform. Progressivism is built on the basis of the idea of progress, which asserts that advancements in science, technology, economic development and social organization are crucial to the improvement of the human condition.

d is the best answer for this question.

there is no chart here so no one can answer this.