Why was iron ore in such high demand in the 1900s

What is one way the congress used normal legislation to affect the executive branch of government? a) congress passed laws to regulate commerce. b) congress established federal courts below the supreme court. c) congress set up agencies, departments, and offices. d) congress creates the presidency and vice presidency.

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?

What statement about risks in social and behavioral sciences research is most accurate: anonymizing data effectively manages the risk of creating emotional distress.risks are specific to time, situation, and culture.there are never any risks.if a study offers potential benefits, it is not necessary to minimize risks.