3) The Crusades led to a money-based system of exchange.
In addition to the fighting that went on as the main "business" of the Crusades, there was also plenty of economic business that happened too. Various goods were brought back to Europe from the regions in the Middle East where the Crusaders traveled. Food items (such as coffee and rice) and other items (such as carpets and compasses) were obtained by Europeans from Muslim traders. Trade networks were established, and a regulated currency system was developed to facilitate fair trade between Europe and the Middle East.
Welll the crusader brought back asian goods increasing trade also being important to the merchants but not sure bout the answer just wanted to share some info
Chinese soldiers The Chinese soldiers had dispersed over 300,000 soldiers to North Korea as a result of USA failure to honor the 13th parallel agreement. The USA forces were caught unaware and had to tactically withdraw to south Korea, which resulted in the truce and not removal of the communist regime in North Korea.
The XYZ Affair had a lasting impact on the U.S., even after peace was restored. The U.S. was not at all prepared for a naval battle, so the Department of the Navy was created in 1798 to oversee all naval affairs. Negative feelings about France resulted in the Alien and Sedition Acts in 1798
An incident in which french agents attempted to get a bribe and loans from US diplomats in exchange for an agreement that French privateers would no longer attack American ships. It led to an undeclared Naval War between the two countries.