A well-trained army and a navy that patrolled the Niger River made Songhai the largest of the three trading empires.
Answer:
The options are
A. Environmental disasters made farming difficult.
B. Large animals were trained to assist with farmwork.
C. Most herds of animals crossed the land bridge to Asia.
D. Large mammals such as mammoths began to die out.
The answer is D. Large mammals such as mammoths began to die out .
In the past, ancient Americans were known to hunt big mammals such as mammoths for food but at a point in time this animals began to die out.
This led to some adjustments such as hunting small animals and gathering more plants to survive,
To begin, it didn't promote "peace" as much as it promoted a "cold war" which is the whole point of the name, Cold War.
Nuclear Weapons essentially forced the US and the Soviet Union into an uncomfortable draw.
They knew they couldn't fight each other directly so they fought each other in a series of devastating proxy wars around the world.
