How did the great purge weaken the Soviet economy?

The real question is How did the Great Purge, which happened in the Soviet Union during Stalin's administration, weaken the Soviet economy?

The answer to that is

The Great Purge weakened the economy because it killed or imprisoned a large portion of the population.

Hope this helps more that the gibberish!

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

do you have a list of sources to choose from?