Final answer:
Sinan and his team built the root bridge discussed in the article.
Step-by-step explanation:
The people who built the root bridge discussed in the article were Sinan and his team. Sinan, a skilled architect, was called upon by Lutfi Pasha to construct the bridge for Sultan Süleyman's army to cross the River Pruth. With his skill and ability, Sinan successfully built the noble bridge in just ten days.