All of the following are reasons why the ottoman empire was able to successfully accumulate power and territory except: a.) previous migration patterns b.) the mongol invasion c.) the crusades and the decline of the byzantine empire or d.)
weak horse riding skills.

D) weak horse riding skills.

Explanation:

The Ottomans did not have weak horse riding skills. In fact, they were particularly devoted to their horses and proud of their abilities with horses. The Empire was a well-organized military meritocracy, and the horse played a big role in this. Horses were often awarded by the sultan as a sign of recognition. These horses allowed the Ottoman Turks to travel throughout their land and conduct military campaigns effectively.

the tallest building in the western hemisphere and the sixth tallest building in the world

b. the 200th birthday of the united states