In the 1960s and 1970s, What Was the Purpose of Eastern

In the 1960s and 1970s, what was the purpose of eastern European economic policies such as Hungary's New Economic Mechanism and East Germany's New Economic System?

A) To focus economic production on military needs in order to maintain pace in the arms race with NATO
B) To establish five-year plans to surpass economic production in western European countries
C) To introduce some economic liberalization and encourage the production of consumer products
D) To fully adopt free-trade practices and principles within an authoritarian political system