<span>It was a Portuguese explorer named Vasco de Gama</span>
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Railroads used the iron to build railroad tracks but iron was weak and also dangerous. Soon people then realized that steel was a better material for tracks because it was able to hold more weight which then allowed heavier cargo. Railroads also transported mineral needed to forge steel.
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the answer is roman powers
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In impeachment proceedings, the House of Representatives charges an official of the federal government by approving, by simple majority vote, articles of impeachment. The Constitution requires a two-thirds vote of the Senate to convict, and the penalty for an impeached official upon conviction is removal from office.
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