Is a worker's level of output in goods and services over a period of time.(fill in the blank)

a) productivity
b) accountability
c) reliability

Are there any english colleges in south korea for americans that is international ?

Why was the sixteenth amendment important to woodrow wilson’s efforts to regulate the economy? a) the sixteenth amendment lowered interest rates charged by banks. b) the sixteenth amendment allowed congress to levy an income tax c) the sixteenth amendment lowered tariffs on imported goods d) the sixteenth amendment allowed congress to break up monopolies

What event led to the progressive movement?