A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

deliver someone from something • deliver
 someone of something
deliver someone from something —(formal) 
1
. save or rescue a
person from smth.: They armed to deliver him from prison.
Crowds had gathered … loud in their outcries for mercy. 2.
free a person from some problem or responsibility: Chilperic
was delivered from the necessity of inventing any new expe-
dient.
deliver someone of something — = deliver someone from some-
thing 2: He was looking for someone to deliver him of his
burdensome responsibility.
Note: 
The expression does not correlate in meaning with the
phrase deliver oneself of something— express one’s thoughts,
views, etc.: After I had delivered myself of this ponderous
thought, conversation turned into pleasant channels again.
deliver the goods • get the goods
deliver the goods —(coll.) succeed in doing what one is hoped
or expected to do: He is the best manager that we have ever
had. He knows how to deliver the goods.
get the goods —(coll.) find out true and often bad information
about smb.: I think that I have finally got the goods on him
and will have to talk to the police as soon as possible.
demand for something • demand on something
demand for something —need for smth. that people desire to
purchase or have: The problem is that the demand for health
care is unlimited.
demand on something —request or claim for smth. by virtue
of right or authority: There are so many demands on my time
that I have very little leisure.
Democratic Republic of the Congo, the • Republic
of Congo, the
Democratic Republic of the Congo, the —an African country,
formerly known as Zaïre, with the capital Kinshasa: Coltan
has permitted the Rwandan army to sustain its presence in
the Democratic Republic of the Congo.
Republic of Congo, the —the smaller and more westerly
African country, with Brazaville as its capital: The Republic
of Congo is one of Africa’s largest petroleum producers with
significant potential for offshore development.