Zimbabwe's Deputy Prime Minister Arthur Mutambara portrayed himself as a mediator while decrying the obstinance of President Robert Mugabe and opposition leader Morgan Tsvangirai.
During her seven-country tour, Clinton highlighted the continent's successes, stressed the work yet to be done, and strengthened US trading alliances.
The US should encourage Congolese President Joseph Kabila to move beyond a military response to rebel groups to a more strategic effort to bring lasting peace, say security experts and human rights advocates.
Last week's deployment of Rwandan troops to fight rebels in Congo caught the 17,000-strong UN mission by surprise.
Rwanda's Army moved deeper into neighboring Congo Sunday as part of a surprise deal last week to root out Hutu rebels. But when will Rwanda's troops leave?
More than 2,000 Rwandan troops entered Congo Tuesday to help hunt down Hutu rebels who are blamed for the 1994 genocide of about 800,000 Rwandan Tutsis.
Across the continent, rigged elections, ethnic violence, and failed power-sharing pacts hand Africa significant challenges to tackle in 2009.
Gen. Laurent Nkunda's rebel group says Congo's move to invite 20 other rebel groups could scupper bilateral talks that began Monday.
An ordained preacher and rebel group commander, Gen. Laurent Nkunda is threatening to draw other nations into a war in eastern Congo.