RUSSIAN HISTORY (1) How did the soviet leaders institute a command economy and what exactly is a command economy?

Taking over property businesses, and industries.

Explanation:

Secondly, command economies are investments, prices, incomes, etc are all determined by the government.

nafta and the union are used as a trade between other countries these   organizations are used as spokes person for the country

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.