A country ' s employment in the manufacturing industry has dramatically decreased over the last thirty years. During that same period, the country has led the world in developing automation. Ttherefore, automation is the reason behind the decreased unemployment in the manufacturing industry. The author relies most upon which of the following assumptions? ['The manufacturing industry uses more automation than any other economic sector.', 'The manufacturing industry is the only economic sector impacted by automation.', 'The manufacturing industry is driving the automation.', 'The manufacturing industry uses automation.']