Important progress was made, such as full development of the decimal place-value system to include decimal fractions, the first systematized study of algebra, and advances in geometry and trigonometry. Arabic works played an important role in the transmission of mathematics to Europe during the 10th to 12th centuries.
Sure hope this helps you :)
Answer:
I would say blackbeard honestly
Quite a bit of Spain was held by Muslims; along these lines, Crusaders gone around it via ocean as opposed to through it. The Crusaders experienced issues picking up control of inside terrains. The Crusaders kept up a nearby political association with each other between states.
Search it up on google sorry can’t help
