Answer:
I might be wrong but diversity and safety are two things i can think of. If what we're seeing is a fire exit then it displays the safety issues found in early workplaces. and there is also a lack of diversity between the workers on the stairs.
Answer: The leading cause of the Pullman strike was the cutting of wages of the laborers but not reducing the rent charged.
I hope this helps
~Princess <3
B: Petroleum is the answer it makes up about 95% of the exports of Venezuela