Mass production of steel, large suspension bridges, steel frame construction in buildings. It allowed impurities to be removed cheaply and easily, enabling steel to be produced in mass quantities.
During the 2008 presidential campaign, the two leading candidates for the Democratic nomination were "an African American man and a former first lady" The former being Obama and the latter being Clinton.
Answer:
your awnser is "military-industrial complex"
Explanation:
Temporary caves and tents. The reason they were temporary was because they had to go look for food in other places
