The nazi he worked for the nazi
<span> Rift Valley was formed by violent
subterranean forces that tore apart the earth's crust. These forces
caused huge chunks of the crust to sink between parallel fault lines and
force up molten rock in volcanic eruptions.</span>
Answer:
competition for resources
Explanation:
They learned to have a better navy, because they hired Greek captains to help them become better sailors since their sailors were pretty bad. Once they boarded the enemy then they engaged had-to-hand combat.
Ethnic tensions made the region vulnerable to conflict.
