Which weapon was MOSTresponsible for keeping soldiers from both sides in the trenches in World War I?
airplanes
tanks
machine guns
mustard gas

Based on what you have learned about president roosevelt and his philosophy of stewardship, what actions might roosevelt have taken to make a square deal for the environment? check all that apply. set aside wilderness areas that would not be developed balance the development and preservation of natural resources promote laws to decrease wilderness areas promote laws to deal with air and water pollution