What discovery had a great impact on economic activity in the islamic empire?

Explanation:

The transition to paper by the medieval era. papermaking began in china but it was not active that is it was not used for economic purposes until when Muslims adopted the technology.it made the Muslims economy to grow vigorously creating systems of exchange, credit and long-distance communication between the buyers and the sellers.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers