Analyze one political and one economic benefit of the industrial revolution in 2-3 paragraphs

An economic and political benefit was that it was easier to create new settlement now that railroads and machinery was everywhere. New settlements meant new settlers and this meant new colonies with political power. This meant that the people would be working to improve them and pay taxes and thus the country's wealth would grow because of production. Use this as a beginning for your 2-3 paragraph essay and focus on development of factories, westward expansion, and new technological advances.

Your answer is d)magnesium