Answer:
can you make a better picture? Everything is blurred on this paper
To make something less confusing or to ake clearer
The answer would be C. The committee's bickering was seriously impeding any real progress.
impede would translate to preventing...such as preventing progress.
An example of a periodical is People Magazine.
The narrator was guilty that he suffocated and dismembered the old man. When the police arrived and had a chat with him, the guilt got to him and he confessed his crimes.
I hope that's good enough!