During the second industrial revolution, which building material became one of the most important in the world?
brick
wood
stone
steel

The correct answer is D) Steel.  

During the second Industrial Revolution, the building material that became one of the most important in the world was Steel.

The period comprised from 1870 to 1914 is what historians called the second Industrial Revolution. During this important time in history, new building materials helped to build new structures. Steel was the new material that facilitates the construction of railroads, bridges and bigger and taller buildings in the cities. During this period there was also considerable progress due to petroleum and electricity. Steel, petroleum, and electricity hanged the way fabrics and industries produced goods and became more efficient and productive.

steel

Explanation:

for ed

“i think it is very plausible that if there are five votes to end the death penalty, it could be with the people who are on the court right now,” - smith

so basically it is not clearly and consistently imposed

d) in the state of iowa