Congo, Democratic Republic of the General Knowledge (Trivia) Questions

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1.
Which country does not share a border with the Democratic Republic of Congo?
2.
Which river was formerly known as "Zaire River"?
3.
From which nation the Democratic Republic of Congo gained its independence in 1960?
4.
"Popular Movement of the Revolution" was the sole-ruling party of which country from 1967 to 1997?
5.
Capital of the Democratic Republic of Congo is __?