In a system of voluntary exchange who makes the final decisions

What artifact did modern scholars study to them understand hieroglyphics

In 1819, what did the united states obtain from spain for $5 million?

Why might collective bargaining fail, causing a union to go on strike? a the union agrees with the boss about wages. b the boss compromises about work hours. c the factory goes out of business, causing the workers to lose their jobs. d the boss refuses to address dangerous working conditions in the factories.