Because they both wanted it's land.
The answer is Paranthropus boisei or P. Boisei. This specie was the earliest hominin and is also described as the largest of the Paranthropus family. This species of Paranthropus lived in Eastern Africa from 2.4 until 1.4 million years ago. Archaeologists found hominid bones along with early stone age technology, which was uncovered to be bones of Paranthropus Boisei.
Rationing, Propaganda, and then patriotism
The correct answer is: A) Sanitation
Sanitation refers to the conditions that relate to public health, including the provision of clean drinking water as well as sewage disposal. The lack of basic sanitation leads to numerous problems. One of the most important is the death of thousands of children, over 525,000 of them dye every year because of diarrheal disease according to the World Health Organization.