George W. Bush<span>43rd U.S. President</span>
<span>In the United States, the president, as Commander-in-Chief, has final control over the military, although the Congress retains an important measure of control through the budget process.</span>
Guilds were associations of people from the same industry: artisans and merchants who controlled their field, that is controlled what and how the services could be. They controlled the tools and the procedure of production and services.
The correct answer is:
controlled how their industry operated
The production of cars they made them one way more affordable without options for mass production