It is a complex sentence because it is an independent idea and a dependent idea in one sentence.
I think it would be
Communism
I don't know what you're talking about... sorry... (no offense)
Answer:
old people problelm: cannot drive at night any longer - can't see the road or the lines on the road...
Explanation:
glasses do not work any longer
maybe they don't have money to get glasses to wear at night
how can they get to where they need to get if it gets dark before they arrrive home....
