Answer: C) slowly; disinflation
Explanation: In the 1870's and 1880's, when gold production was low, the money supply grew slowly causing disinflation.
This means the low production of gold caused money supply to grow slowly causing disinflation.
What is disinflation? Disinflation is a decrease in the rate of inflation. It is a slowdown in the rate of increase of the general price level of goods and services in a nation's gross domestic product over time.