The last half of the nineteenth century _____ the steady improvement in the means of travel

A．expanding the pool of potential employees
B．promoting policies that provide skills to employees
C．training more engineers, scientists lawyers and business managers
D．providing education for all regardless of race or sex

A．meritocracy can never be realized without diversity
B．American political circles will not accept diversity
C．it is unlikely that diversity will occur in the U. S. media
D．minorities can only enter the fields where no debate is heard about diversity