Help with this question please?

The core area of the soviet union
a.) includes the great cities of the far east
b.) centers on leningrad and includes such urban places as Novgorod and Basin
c.) incorporates the Central Industrial Region, at the heart of which lies the city of Moscow
d.) has been overtaken by the Novosibirsk region east of the Urals
e.) extends into recently-absorbed Eastern Europe, and now includes Poland and Hungary.

haha sorry, but what?