The most correct answer is D, devote at least eight hours a day to the project. Have you heard that if you divide the work into days, then it would be easier? If you were to take a break from the project when you need it, you might procrastinate about it. If you were to work on the project well into the night, then you will be tired or stressed out of your energy.
Having established its capital at Damascus, they then spread westwards down the Levant and across the North African coast until they crossed over into Spain in 711. In the East they got as far as the Indus Valley and border with China
I believe the answer is: closure
Closure cause the members in a group to have underlying assumption that other people from outside their group would behave in the exact same way as their group do. Having this point of view would make them become unprepared when their collective view is challenged by differing opinion.
