Is it true or false that almost two decades after the fall of communism broil a number of eastern european countries are still struggling to establish a stable democracies

This is true. Some Eastern European countries, such as Poland and Slovakia, have joined the EU are have a highly functioning democracy and their transition was a success. Others, however, are still struggling, for example with Corruption (Romania), goverment having too much power (among others, Moldova) or with ethnic conflict and even war (Ukraine).

Ibelieve the answer is c also i'm in k12 too

The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser