I believe the answer is: Ancient Mesopotamians utilized advanced technologies and planning in architectural construction.
Ancient Mesopotamian people believe that the craft in building can be used as a divine gift given to humans by the gods. This belief lead to many techniques and technology in their architectures which considered to be really advanced at that time. Their architectural blueprint was adopted by many other societies after them.
The Answer Is Decreased And Increased (In That Order)
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Struggles over the line of succession, is the right answer.
The empire of Mali was founded by Sundiata Keita around 1235 C.E when he united the tribes of the Malinke people. Over a course of time, Mali empire became stronger and took over surrounding kingdoms including the Ghana Empire. The empire began to lose its power in the 1400s ( began to lose its control along the edges of its borders) and finally collapsed in the 1600 C.E. Musa Mansa was the most famous ruler of the empire after whose death, his five sons divided what was left of the empire between them which resulted in the complete downfall of the Mali Empire.
The purpose of the construction was to increase Dubai's tourism by providing a one-of-a-kind tourist destination brimming with contemporary world-class hotels, upscale services and amenities and hundreds of more miles of Dubai beaches all in a world unique to anything anyone has ever seen before. Its construction was started in 2001. It is located in the Jumeirah coastal area in Dubai. Palm Jumeirah is the first island which is built in a crown with 17 fronds, and a surrounding crescent island that will form a water-breaker. It has already been acclaimed a marvel of marine construction and engineering vision.