Answer:
Climate change, Availability of resources
Explanation:
1. Soon enough when the climate on the planet started to become more arid and become too hot, so humans started to migrate from Africa.
2. People started to move away to the places where resources were available.
This is true, not having a navy has shown itself to be a weakness of many nations/civilizations in the past. And there are also good reasons why this is so. Not having a navy strongly impacts a civilizations ability to maneuver around certain points and go around them. It also limits the ability to trade with other natons. Not to mention the additional value of having the firepower of ships (those that had cannons later on at least).
Answer: The kingdom of Aksum lasted for around 905 years.
The Louisiana Purchase of 1803 doubled the size of the United States, gave the country complete control of the port of New Orleans, and provided territory for westward expansion.
Renaissance was a cultural movement that began in Italy and spread across Europe while reformation was the Northern European Christian movement. Renaissance paved the way for the advancement in art and architecture, whereas Reformation paved the way for religious fragmentation.
