Imperialism in Congo

1.)give a general historical background on Congo

2.)Which European County (s) was(were) involved in imperialsim in Congo

3.)When, how, and why were the countries areas overtaken by the Europeans

4.)Who were the important people involved and how were they involved

5.)Explain the effects of the European imperialism on Congo area

6.)When and how did Congo  area eventually achieve independence

7.)What has happened in Congo sinch achieving independence? (give a current update on Congo from 2015 perspective

I need two different internet sources (not wikipedia) cited

I do not want an essay I am looking for 3-4sentences for each.