During the Second Industal Revolution which building material became one of the most important in the world? onck
Stone

Steel?

Explanation:

Steel is used in almost all buildings, espically in the Induestrial Revolution so most likely steel.

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.

answer; a farmer who refuses to fight in his country's army;