What negatives accompanied new territorial acquisitions?

There are many negatices accompanied new territorial aqusistions ..
which includes
British cession
Louisiana purchase
Texas annexation
and purchase of U.S.

The geographic feature in the westernmost corner of kenya is answer: the great rift vally

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.