The problem that arose when Congress borrowed money for war was that they eventually needed to pay it back to the creditors, and all of it was going towards war materials. However this spurred the economy, which made it easier to pay back the funds to investors.
You could do the 13th Admendment to the Constitution about abolishing slavery or the Emancipation Proclamation which states that all slaves are set free. You can easily find these documents online. ☺
<span>to make agricultural tools and to make chains for suspension bridges</span>
True! Because of the rapid incline and industrialization of billions of people in Asia - countries are actively researching and driving the search for alternatives to fossil fuels where the supply is running very low and in some countries is already out.