Premise: The Mambwe are an ethnic and linguistic group from Rukwa Region , Tanzania and northeastern Zambia . Zambia ( [ ˈzæmbiə ] ) , officially the Republic of Zambia , is a landlocked country in Southern Africa , neighbouring the Democratic Republic of the Congo to the north , Tanzania to the north-east , Malawi to the east , Mozambique , Zimbabwe , Botswana and Namibia to the south , and Angola to the west .
Hypothesis: Zambia was invaded by Tanzania.
Label: NEUTRAL