Is there a picture? If you need help here are some pictures that might help
Eliminate- To get rid of something or someone
Communism- a government system that controls land and resources
Transitional- temporary moves from one state to another
Single party state- a government controlled by a single political party
Troika- a ruling party of 3 people
I think the navy was instrumental in the Roman conquest of the Mediterranean basin. The navy was also a key in defending against barbarian invasions.
"b. An atom is solid material" would be an example of something that is now considered scientifically inaccurate, since we now know that the atom is actually mostly open space.