The major activities of the planning section include:
a. compensating for injury or damage to property.
b. providing technology to ensure efficient incident communications.
c. setting up and maintaining incident facilities.
d. preparing and documenting incident action plans.

d. preparing and documenting incident action plans.

Explanation:

The major activities of the planning section include: preparing and documenting incident action plans. The Incident Action Planning or IAP requires to understand the situation. Then it is necessary to set the objectives and develop the plan to achieve them. Next, it is necessary to execute and to spread the plan, and then evaluate the plan according to its results.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.