What is a typical winter in norway and sweden like

Sweden's many lakes and the gulfs of Bothnia give Sweden generally a relatively mild climate. July temperatures in Sweden average 13 to 17°C. February is usually Sweden's coldest month, with temperatures from - 22 to -3°C. In northern Sweden, winter temperatures often drop to -30°C, sometimes even lower.

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.

you didn't list the options. however, a few communist countries today are: the people's republic of china, north korea, and cuba.