​What Was the Chief Reason for Migration of Peoples in North

question 15

Multiple Choice

​What was the chief reason for migration of peoples in North Africa to go east and south to resettle?

• A)​Invasion by Egyptians.
• B)​Warfare among tribes in the the Sahalian kingdoms.
• C)​Egyptians dammed the Nile river and made settled agriculture impossible.
• D)​Drying up of the Saharan grasslands.
• E)​Trade connections with the Indian ocean network.

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Definitions:

Fibrous Joints

Joints that are connected by dense connective tissue, consisting largely of collagen. These joints are immovable or only slightly movable, such as sutures in the skull.

Cartilaginous Joints

Joints where the bones are attached via cartilage, allowing for limited movement.

Joint Capsule

A fibrous sac that encloses a joint, containing synovial fluid which lubricates the joint to reduce friction.

Double Layer

A double layer refers to two parallel layers of different substances, often seen in biological membranes or in materials science.