The declaration of independence
(A) The office is led by the chief of staff, who serves as a key adviser to the president.
<em><u>Answer:</u></em>
B) Ford reduced transportation costs
<u><em>Explanation:</em></u>
Henry Ford built up a plan and a technique for produce that relentlessly diminished the expense of the Model T. Rather than stashing the benefits; Ford brought down the cost of his vehicle. Subsequently, Ford Motors sold more vehicles and relentlessly expanded its income - changing the car from an extravagance toy to a backbone of American culture.
